Paman, Ujang, The United Graduate School of Agricultural Science, Japan

• Agricultural Engineering International: CIGR Journal Vol. 12 No. 1 (2010): CIGR Journal - V-Management, Ergonomics and Systems Engineering
  Economic potential of tractor hire business in Riau Province, Indonesia: A case study of small tractors for small rice farms
  Abstract  Untitled ()  Provisional-PDF  PDF