A. Tarigan, Franto, and Guskarnali, “KAJIAN KADAR SERTA PENENTUAN KELAYAKAN EKONOMI CASSITERITE PADA SISA HASIL PENGOLAHAN WASHING PLANT DI DESA TANJUNG GUNUNG: RATE STUDY AND DETERMINATION OF ECONOMIC ELIGIBILITY CASSITERITE ON THE REST OF THE PROCESSED PRODUCT WASHING PLANT IN TANJUNG GUNUNG VILLAGE”, JTP, vol. 25, no. 1, pp. 39–45, Feb. 2025.