CHONG OI MIN and MOHAMMAD TAHIR MAPA 2021. PENGETAHUAN PELAJAR DAN AMALAN PENGURUSAN SISA PEPEJAL DI SEKOLAH MENENGAH DAERAH PENAMPANG, SABAH: STUDENT KNOWLEDGE AND SOLID WASTE MANAGEMENT PRACTICES IN PENAMPANG DISTRICT SECONDARY SCHOOL, SABAH. Jurnal Kinabalu. 27, (Jun. 2021), 21–38. DOI:https://doi.org/10.51200/ejk.v27i1.3641.