Gaya APA

T.Madiadipoera, . (1981). PROPOSED COOPERATIVE STUDY FOR FELDSPAR BENEFICIATION FROM LIPARITIC TUFFS OF NORTH SUMATRA, INDONESIA . Sumatra: Directorate Of Mineral Resources.

Gaya MLA

T.Madiadipoera, . "PROPOSED COOPERATIVE STUDY FOR FELDSPAR BENEFICIATION FROM LIPARITIC TUFFS OF NORTH SUMATRA, INDONESIA". Sumatra: Directorate Of Mineral Resources, 1981. Bukan Logam.