Training module on lake environment protection, conservation and management.

書目詳細資料
其他作者:	Guerrero, R.D III, Fernandez, D.D.G. and de Jesus, C.C. (eds.)
格式:	圖書
出版:	Laguna, Philippines PCAMRD 1998
主題:	Management. Conservation. Protection. Conservation of natural resources. Environmental protection.