Tropical land clearing for sustainable agriculture : proceedings of an IBSRAM Inaugural Workshop : 27 August-3 September 1985 Jakarta and Bukittinggi, Indonesia
· organized by Agency for Agricultural Research and Development (AARD) ... [et al.] ; sponsored by Agency for Agricultural Research and Development (AARD) ... [et al.] ; [technical editors R. Lal ... [et al.]]
Bok Engelsk 1987