KAJIAN RINTIS: PENGETAHUAN, SIKAP DAN AMALAN KOMUNITI BERSTRATA DI LEMBAH KLANG TERHADAP SISA MAKANAN: PILOT STUDY: KNOWLEDGE, ATTITUDES AND PRACTICES OF STRATIFIED COMMUNITIES IN THE KLANG VALLEY TOWARDS FOOD WASTE. qjssh. 2026;7(5):256-270. doi:10.55197/qjssh.v7i5.1398