3 1 10 LUBIS, IDRUS Additional Author AUZAR Additional Author DIAH, MOHAMMAD Additional Author mixed material 9794599751 Jakarta DEPDIKBUD 1999 NURBAITI Additional Author GANI, A. Additional Author LUBIS, IDRUS Additional Author MALIK, ABDUL Additional Author TOBING, BASA ULI Additional Author mixed material Departemen Pendidikan dan Kebudayaa 1990 DAHLAN, SAIDAT Additional Author LUBIS, IDRUS Additional Author UMAR, SAID MAHMUD Additional Author mixed material Jakarta DEPARTEMEN PENDIDIKAN & KEBUDAYAAN 1986