@book{1203,
	author = {TOUR, CHANNA.},
	title = {Effect of calcium carbonate dose on oyster mushroom spawns ឥទ្ធិពលកម្រិតកាល់ស្យូមកាបូណាតលើមេទី២របស់ដំណាំផ្សិតអំបោះ},
	publisher = {RUA},
	year = {2012},
	address = {Phnom Penh},
	url = {https://drive.google.com/file/d/1UB5TIt434dWrzpg-qgu6BT1LbbMuUUHK/view?usp=sharing}
}