@book{87207,
	author = {Hadi, Sutrisno.},
	title = {Tjara menghitung validita, reliabilita dan analisa item dan tehnik² korelasi.},
	publisher = {Jajasan Penerbitan FIP-IKIP,},
	year = {1966.},
	address = {Jogjakarta :},
	edition = {Tjet. 5.},
	note = {Cover title.}
}