Study of industry and marketing of Drug Raw Materials in Indonesia
Corintjian Infopharma Corpora, 1993
 Buku Teks SO
Study of industry and marketing of Drug Raw Materials in Indonesia
Corintjian Infopharma Corpora, 1993
 Buku Teks SO
Study of industry and marketing of Drug Raw Materials in Indonesiat
Corintjian Infopharma Corpora, 1993
 Buku Teks SO
Study of industry and marketing of Drug Raw Materials in Indonesiat
Corintjian Infopharma Corpora, 1993
 Buku Teks SO
Sovian Aritonang
Analysis of the process of iron sand processing into sponge iron in order to support the defense industry of steel raw materials
Indonesia Defense University, 2019
 Artikel Jurnal