| Environmental impact of food packaging materials: A review of contemporary development from conventional plastics to polylactic acid based materials LK Ncube, AU Ude, EN Ogunmuyiwa, R Zulkifli, IN Beas Materials 13 (21), 4994, 2020 | 334 | 2020 |
| An overview of plastic waste generation and management in food packaging industries LK Ncube, AU Ude, EN Ogunmuyiwa, R Zulkifli, IN Beas Recycling 6 (1), 12, 2021 | 313 | 2021 |
| Acoustic properties of multi-layer coir fibres sound absorption panel R Zulkifli, MJM Nor, MFM Tahir, AR Ismail, MZ Nuawi Journal of Applied Sciences 8 (20), 3709-3714, 2008 | 204 | 2008 |
| Automated analysis of exam questions according to Bloom's taxonomy N Omar, SS Haris, R Hassan, H Arshad, M Rahmat, NFA Zainal, R Zulkifli Procedia-Social and Behavioral Sciences 59, 297-303, 2012 | 167 | 2012 |
| Noise control using coconut coir fiber sound absorber with porous layer backing and perforated panel R Zulkifli, MJM Nor American Journal of Applied Sciences 7 (2), 260, 2010 | 160 | 2010 |
| Effect of trigger configuration on the crashworthiness characteristics of natural silk epoxy composite tubes RA Eshkoor, SA Oshkovr, AB Sulong, R Zulkifli, AK Ariffin, CH Azhari Composites Part B: Engineering 55, 5-10, 2013 | 118 | 2013 |
| Comparative research on the crashworthiness characteristics of woven natural silk/epoxy composite tubes RA Eshkoor, SA Oshkovr, AB Sulong, R Zulkifli, AK Ariffin, CH Azhari Materials & Design 47, 248-257, 2013 | 114 | 2013 |
| Numerical study of the enhancement of heat transfer for hybrid CuO-Cu nanofluids flowing in a circular pipe HH Balla, S Abdullah, W MohdFaizal, R Zulkifli, K Sopian Journal of oleo science 62 (7), 533-539, 2013 | 105 | 2013 |
| Development of 5S practice checklist for manufacturing industry N Khamis, MN Abrahman, KR Jamaludin, AR Ismail, JA Ghani, R Zulkifli Proceedings of the World Congress on Engineering 1 (3), 1-5, 2009 | 98 | 2009 |
| Performance of four air-based photovoltaic thermal collectors configurations with bifacial solar cells P Ooshaksaraei, K Sopian, SH Zaidi, R Zulkifli Renewable energy 102, 279-293, 2017 | 91 | 2017 |
| Effect of different factors on the acoustic absorption of coir fiber. J Mohd, A Md, Z Rozli, A Nowshad, HF Mohammad Journal of Applied Sciences 10 (22), 2887-2892, 2010 | 72 | 2010 |
| Failure mechanism of woven natural silk/epoxy rectangular composite tubes under axial quasi-static crushing test using trigger mechanism RA Eshkoor, AU Ude, SA Oshkovr, AB Sulong, R Zulkifli, AK Ariffin, ... International Journal of Impact Engineering 64, 53-61, 2014 | 71 | 2014 |
| Comparison of acoustic properties between coir fibre and oil palm fibre R Zulkifli, MJM Nor, AR Ismail, MZ Nuawi, S Abdullah, MFM Tahir, ... European Journal of Scientific Research 33 (1), 144-152, 2009 | 68 | 2009 |
| Kenaf fiber composite in automotive industry: an overview F Hassan, R Zulkifli, MJ Ghazali, CHBC Azhari International Journal on Advanced Science, Engineering and Information …, 2017 | 66 | 2017 |
| Thermal-hydraulic performance and design parameters in a curved-corrugated channel with L-shaped baffles and nanofluid RK Ajeel, K Sopian, R Zulkifli Journal of Energy Storage 34, 101996, 2021 | 65 | 2021 |
| Effect of perforated size and air gap thickness on acoustic properties of coir fibre sound absorption panels R Zulkifli, MJM Nor, AR Ismail, MZ Nuawi, MFM Tahir European Journal of Scientific Research 28 (2), 242-252, 2009 | 65 | 2009 |
| Energy absorption and load carrying capability of woven natural silk epoxy–triggered composite tubes RA Eshkoor, AU Ude, AB Sulong, R Zulkifli, AK Ariffin, CH Azhari Composites Part B: Engineering 77, 10-18, 2015 | 60 | 2015 |
| Characterization of a bifacial photovoltaic panel integrated with external diffuse and semimirror type reflectors P Ooshaksaraei, K Sopian, R Zulkifli, MA Alghoul, SH Zaidi International Journal of Photoenergy 2013, 2013 | 57 | 2013 |
| Tensile properties and microstructure of single-cellulosic bamboo fiber strips after alkali treatment A Adel Salih, R Zulkifli, CH Azhari Fibers 8 (5), 26, 2020 | 55 | 2020 |
| A novel curved-corrugated channel model: thermal-hydraulic performance and design parameters with nanofluid RK Ajeel, K Sopian, R Zulkifli International Communications in Heat and Mass Transfer 120, 105037, 2021 | 50 | 2021 |
Shahrir AbdullahUniversiti Kebangsaan Malaysia (The National University of Malaysia)Verified email at ukm.edu.my
