Pepper cropping techniques of farmers in kompongtrach district kompot province បច្ចេកទេសដាំដុះម្រេចរបស់កសិករ​ នៅស្រុកកំពង់ត្រាច ខេត្តកំពត SOVAN, DARAVUTH. AGR SOV 2013 B054 Or.1 Phnom Penh ill. 2013 2013 Text x; 46p. https://drive.google.com/file/d/1kyCgkV_x4fWXGMAxrNX2_8XCZwyOnh24/view?usp=sharing