@book{4305,
	author = {HENG, KIMLONG},
	title = {Study in water quality in 4 rivers around phnom penh, សិក្សាពីគុណភាពទឹករបស់ទន្លេទាំងបួនជុំវិញរាជធានីភ្នំពេញ},
	publisher = {RUA},
	year = {2010},
	address = {Phnom Penh},
	url = {https://drive.google.com/file/d/1tpIMCbPJgXTRZd62y2VBCTZVUlnZr-xY/view?usp=sharing}
}