A. Leavasa books & textbook
Klinkii: The Journal of the Forestry Society of Papua New Guinea, Volume 5, Number 1
B. Louman A. Leavasa A. Ona G. Y. Gowae C. Konabe M. Rokova N. H. S. Hoccroft Y. A. Bun K. D. Romijn Takanobu Furukoshi
University of Technology /1993T Paperback / 50 Pages
