5 1 10 Subagyo, Pangestu Additional Author Asri, Marwan Additional Author Handoko, T. Hani Additional Author mixed material 9795031732 Yogyakarta BPFE 1997 Dasar-dasar Operations Research, Ed. 2 138.jpg.jpg Subagyo, Pangestu Additional Author mixed material Yogyakarta BPFE 1983 Subagyo, Pangestu Additional Author Djarwanto Additional Author mixed material Yogyakarta BPFEUGM 199- Subagyo, Pangestu Additional Author Djarwanto.PS Additional Author mixed material Yogyakarta BPFEUGM 1981 Subagyo, Pangestu Additional Author Djarwanto. PS Additional Author mixed material Yogyakarta BPFEUGM 1981