Usman, Dudi nasrudin, Program Studi Teknik Pertambangan, Fakultas Teknik, Universitas Islam Bandung, Indonesia

• PROMINE Vol 7 No 2 (2019): PROMINE - Articles
  Competency Enhancement of Local Community in Trass Utilization in Nagreg Kendan, Bandung, West Java
  Abstract  pdf (Bahasa Indonesia)