Adrian K Tarigan, Eka Sihombing and Sondang Sidabutar (2023) “TRAINING IN THE PROCESSING OF WASTE PAPER INTO RECYCLED PAPER WITH SELLING VALUE”, Multidiciplinary Output Research For Actual and International Issue (MORFAI), 3(1), pp. 144–148. doi: 10.54443/morfai.v3i1.838.