Rangan, Frederico, Yanas, Yogi, AND Usman, Fahrul. " Analisis Pendekatan Nilai %Ekstraksi Ore North Mainrigde Dengan Metode Bottle Roller Test Di PT. J Resources Bolaang Mongondow" Jurnal Teknologi Sumberdaya Mineral [Online], Volume 5 Number 1 (21 June 2024)