na INLIS000000000394960 20180320120345 0010-0318000312 ta 180320 d | ind - 541.2 541.2 HAS s Hasan Amin Seri Dasar Ilmu Pengetahuan Alam 16 : Atom / Hasan Amin - Jakarta : Balai Pustaka, 1976 31 hlm. : Ilust. ; 20 cm. Kimia - 270/PS/H/I/1995