ABDUL HAIR BEDDU ASIS; MOHAMMAD TAHIR MAPA; ABANG MOHD. RAZIF ABANG MUIS; SYAMSUL AZIZUL MARINSAH. PENGURUSAN SISA TOPENG MULUT DAN HIDUNG SEBAGAI SISA BERISIKO: KAJIAN AWAL TERHADAP PENCEGAHAN PENULARAN VIRUS COVID-19 DI SABAH: MANAGEMENT OF FACE MASK WASTE AS RISKY WASTE: A PRELIMINARY STUDY ON THE PREVENTION OF COVID-19 VIRUS TRANSMISSION IN SABAH. eJK 2021, 27, 255-274.