វៀតណាម Reports, journal articles, and research papers (including theses and dissertations) Moormann, F. R. 1961 ការគ្រប់គ្រងដី, ការវាយតម្លៃហេតុប៉ះពាល់បរិស្ថាន, បរិស្ថាន និងធនធានធម្មជាតិ
A reconnaissance survey of south Vietnam prepared by an expert of the Food and Agriculture Organisation for the Republic of Vietnam. The report describes the characteristics of...