na BHTDB0502201400004 20140205130328.507 160921||||||||| | ||| |||| ||ind|| 012-050214000460 SBPKHAT Eng a-io [23] 500.69 500.69 PAR t Parker, Bertha Morris The scientist and his tools / Bertha Morris Parker New York : Row, Peterson and company, 1960 The basic science education series 36 hlm. : ilus. ; 22 cm. Intermediate Science - Ilmu Pengetahuan SBPKHAT