@book{58696,
	author = {Hwan, H. K.},
	title = {Kumpulan soal-soal hitung diferensial dan integral /},
	publisher = {Dhiwantara,},
	year = {1963-},
	address = {Bandung :},
	edition = {Tjet. 2.},
	note = {Djil. 3: Tjet. 1.}
}