na INLIS000000000015540 20180828184323 180828||||||||| | ||| |||| || | 979-407-192-7 010-0818015540 id 500 500 - LOM c.3 Depdikbud Lomba Penelitian Ilmiah remaja 1986 Purworejo Balai Pustaka 1998 138 HLM, ILUS, 21 CM,