GROWTH AND YIELD OF SWEET CORN VARIETIES UNDER SANDY CONDITION,ប្រៀបធៀបការលូតលាស់ និងទិន្នផលពូជពោតផ្អែមក្នុងលក្ខខណ្ឌដីល្បាយខ្សាច់ LI CHANSO,លី ចាន់សុ AGR LIC 2020 B1-606 Or. phnom penh rua 2020 2020 Text ix.34p. https://drive.google.com/file/d/13u0_mY5dbFpMkCgHsAQagdjrIPb1aSZp/view?usp=sharing