4 1 50 Abdul Salam M. Sofro Primary Author mixed material yogyakarta UNIVERSITAS GAJAH MADA 1990 Abdul Salam Additional Author M. Sofro Additional Author mixed material 0475550078 yogyakarta by jon wily & sons,inc 1990 Abdul Salam Additional Author M. Sofro Additional Author mixed material 0475550078 yogyakarta by jon wily & sons,inc 1990 Abdul Salam Additional Author M. Sofro Additional Author mixed material yogyakarta PUSAT ANTARA UNIVERSITAS PANGANAN DAN GIZI INIVERSITAS GAJAH MADA YOGYAKARTA 1990