Adlie, T. A., Rizal, S., Ali, N., Huzni, S., Arif, Z. and Suheri, S. (2020) “TESTING THE FLEXURAL PROPERTIES OF POLYMER COMPOSITES FOAMING HYBRID OIL PALM EMPTY FRUIT BUNCHES (OPEFB) AND ZINC OXIDE (ZnO)”, SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, 14(2), pp. 68–73. doi: 10.24853/sintek.14.2.68-73.