Tenure arrangements and management intensity of Butter tree ( Diploknema butyracea ) in Makawanpur district, Nepal, Paudel, S,; Wiersum, K, F. , International Forestry Review, Volume 4, Number 3, p.223-230, 254-255, (2002) Abstract

Timur ( Zanthoxylum armatum ) production in Nepal. Dynamics in nontimber forest resource management, Hertog, W, H. den; Wiersum, K, F. , Mountain Research and Development, Volume 20, Number 2, p.136-145, (2000) Abstract