Book
total rows: 3
page: 1
records each page: 20

Pengolahan emas perak Unit Pertambangan Emas Cikotok 1939-1986
author: Samuel Hermawan
  name: Dohar Siregar
publisher: Institut Teknologi Bandung
date created: 1986

P.T. Alcoa Minerals of Indonesia Riam Kusik mining study
author: Samuel Hermawan
  name: Harsojo Dihardjo
  name: Rachman Gunawan
  name: Purwadi Hidayat
  name: Tojib Iskandar
  name: W. H. Flumet
publisher: P.T. Alcoa Minerals of Indonesia
date created: 1975

Joint symposium exploration-mining-processing-extraction and environment: pengolahan emas perak Unit Pertambangan Emas Cikotok 1939-1986
author: Samuel Hermawan
  name: Dohar Siregar
publisher: The Departement of Mining Engineering Bandung Institute of Technology
date created: 1987