Patadungan, Tri, 		Manurung, Manuntun, AND 		Sibarani, James.
" RECOVERY LOGAM PALADIUM (II) DARI LIMBAH INDUSTRI PERTAMBANGAN DENGAN TEKNIK EKSTRAKSI PELARUT TRANSPORT AKTIF" <em>CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry)</em> [Online], Volume 8 Number 2 (30 October 2020)