Comparison of irrigation systems on tomato neang phech variety on sandy loam soil connectior ​ប្រៀបធៀបបច្ចេកទេសស្រោចស្រពលើដំណាំប៉េងប៉ោះពូជនាងពេជ្រលក្ខខណ្ឌដីល្បាយខ្សាច់ NGET, SOPHA. AGR NGE 2011 B048 Or.1 Phnom Penh RUA 2011 2011 Text ix, 38p. https://drive.google.com/file/d/1O6MHqt6FKYYx_8uah8XxW-C8Y1T1JLrt/view?usp=sharing