compairison mulberry varieties at banteay dek agriculture research station,បៀបធៀបពូជមននៅស្ថានីយ៍កសិកម្មបន្តាយដែក KIM CHANNY ,គឹម ចន្នី AGR KIM 2016 B604 Or.1 phnom penh rua 2016 2016 Text xi;37p; https://drive.google.com/file/d/1UNSBehWMlt1HGiipbXwPxbAV4YpW7_Et/view?usp=sharing