E. Widiyowati, B. Lestari, E. Suwarni, F. Rochman, A. Nauval, and P. B. Kartikasari, “TRAINING AND GUIDANCE ON PACKAGING DUWET POLINEMA SWEET TOMATO JAM FOR RESIDENTS OF DUWET VILLAGE, TUMPANG SUBDISTRICT, MALANG DISTRICT”, JSCS, vol. 3, no. 4, Oct. 2023.