@book{1415,
	author = {SAM, BUNLEAP.},
	title = {Effect of pH DRC and coagulation time on Po, PRI and colour, ឥទ្ធិពលpH និងរយៈពេលទុកអោយកកនៃជ័រកៅស៊ូចំពោះតំលៃPo, PRI  និងពណ៌},
	publisher = {RUA},
	year = {2003},
	address = {Phnom Penh}
}