@book{460,
	author = {KHEN, SOKCHEAT.},
	title = {Planting technique and maintenance of immature rubber treers in peam cheang plantation បច្ចេកទេសដាំដុះ និងថែទាំកូនកៅស៊ូនៅចំការកៅស៊ូពាមជាំង},
	publisher = {RUA},
	year = {1999},
	address = {Phnom Penh },
	url = {https://drive.google.com/file/d/16TJgYhqSLMobw7bCbYt7LgXoT_AXqVGn/view?usp=sharing}
}