Study on technique of tradtional bamboo plantation in mohaleab commune kohsotin district, kompong cham provine (សិក្សាពីបច្ចេកទេសដាំឬស្សីជាលក្ខណះប្រពៃណីនៅឃំុមហាលាភស្រុកកោះសូទិនខេត្តកំពង់ចាម) LAY, SAMNANG. FOR LAY 2009 B137 Or.1 Phnom penh RUA 2009 2009 Text ix, 42p. https://drive.google.com/file/d/1sWCi5yf4GkmmihuKz8pnbvvB9LB4LjC5/view?usp=sharing