Field screening rice varities for resistance to gall midge ពិសោធន៍តាមដានរកពូជស្រុវធន់នឺងការបំផ្លាញរបស់មូសផ្លុងក្នុងល័ក្ខខណ្ឌ័ស្រែ TRY, RITHEA. AGR TRY 1999 B023 Or.1 Phonm Penh RUA 2001 2001 Text 46p. https://drive.google.com/file/d/1o8xwSSk1T6wxFOCViZ_z_VBptCnH3PW3/view?usp=sharing