Andrew Aruo Oa books & textbook
Klinkii: The Journal of the Forestry Society of Papua New Guinea, Volume 4, Number 2
J. Kanabicibici Magulu Rokova Chawi Konabe Margaret Sopu Frans Arentz Tixon Tiki Christopher W. L. Mercer N. H. S. Howcroft Andrew Aruo Oa K. Tisseverasinghe
The Papua New Guinea University of Technology /1990T Paperback / 81 Pages
