transplanting methods on rice varieties under condition of sandy soil (វិធីសាស្រ្តស្ទូងលើពូជស្រូវ ក្នុងលក្ខខណ្ឌដីល្បាយខ្សាច់) PIN, SOKORNTHEA. AGR PIN 2010 B045 Or.1 Phnom Penh RUA 2010 2010 Text xi, 53p. https://drive.google.com/file/d/1a8tHDM8LDAPAa2bAO_oxNlK73-FUn93z/view?usp=sharing