na INLIS000000000005900 20130515155421 ind 979-518-018-5 0010-051300000005900 ind 001.4 001.4 Suharsimi, Arikunto Prosedur Penelitian ( Suatu Pendekatan Praktik ) Edisi Revisi Yogjakarta Rineka Cipta 1992 x, 336 hlm. : ilus. ;20 cm. 334 Penelitian