TY - BOOK TI - FORUM MIPA: Jurnal Penelitian dan Kajian Ilmiah MIPA SN - 1412-4211 U1 - 500.2 23 CY - Yogyakarta PB - FMIPA-UAD N1 - A410 A420 A100 N2 - e-mail : forummipa@telkom.net ER -