Riastuti, Rini, 		Muwahhid, Kautsar, 		Maksum, Ahmad, 		Soedarsono, Johny, AND 		Asfar, Mhd. Ibkar Yusran.
" Effect of Thiosulfate Concentration and Leaching Temperature in Ammoniacal Thiosulfate Leaching of Refractory Sulfide Gold Ore" <em>Jurnal Mettek: Jurnal Ilmiah Nasional dalam Bidang Ilmu Teknik Mesin</em> [Online], Volume 8 Number 2 (30 November 2022)