@book{20557,
	author = {YANG VIRAK,យ៉ាង វិរៈ},
	title = {EFFECT OF PUMICE POWDER RATES IN SA WDUST SUBSTRATE TO THE GROWTH OF GREY OYSTER MUSHROOM,ឥទ្ធិពលនៃការបន្ថែមម្សៅ PUMICE ក្នុងល្បាយអាចម៍រណាទៅលើការលូតលាស់របស់ផ្សិតអំបោះខ្មៅ},
	publisher = {rua},
	year = {2019},
	address = {phnom penh},
	url = {https://drive.google.com/file/d/1fEMVNj9VzKRhAVXMmNvCnHINnWHd9JTy/view?usp=sharing}
}