na INLIS000000000019236 20231202144117 231202||||||||| | ||| |||| || | 010-1223019236 id 519 519 Alp d Alpha, C. Chiang Hutauruk Gunawan Nartanto Susantio Sudigno Dasar-dasar matematika ekonomi Jakarta Erlangga 1986 xii, 362 hlm. ; 24 cm. R19.13 - R19-0311 Matematika Ekonomi