na INLIS000000000004960 ind 0010-1018004960 Undang-undang Hak Cipta 1987 J.C.T Simorangkir J.C.T Simorangkir Jakarta : PT. Karya Unipress 1988 156 hlm. 21 cm. 979-428-107-7 R 346.048.3 SIM u 346.048.2 Kreasi tali cina 8334