@book{20233,
	author = {TIP SOPHARK,ទិព្វ សុភ័ក្រ្ត},
	title = {៌impacts of dei ey community homestay on local livelihoods impovement and natural resource, pech chenda district,mondulkiri province.},
	publisher = {rua },
	year = {2013},
	address = {phnom penh }
}