@book{674,
	author = {CHEA, MAKARA.},
	title = {Crops situation on alumi soil in svay rieng province ស្ថានភាពដំណាំលើដីជូរ ខរត្តស្វាយរៀង},
	publisher = {RUA},
	year = {2001},
	address = {Phnom Penh},
	url = { CHEA MAKARA}
}