na INLIS000000000001091 20150706145430 170126||||||||| | ||| |||| || || 9799926548 0010-071500000001091 507 507 RET a RETNA, MASITA ASYIK BEREKSPERIMEN SURABAYA SIC 2010 52 hlm. ilus. 25 cm. Bibliografi : hlm.52 PENELITIAN SEDERHANA