@book{39083,
	author = {Thammarat Koottatep and Environmental Engineering and Mangement Program (EEM)},
	title = {Environmental health and sanitation},
	note = {Mid-semester Examination: 8 March, 2007 (Prof. Thammarat Koottatep)},
	url = {http://203.159.5.9/ait-thesis/detail.php?q=B16788}
}