na INLIS000000000015363 20190815092026 0010-0819000124 ta 190815 i 0 ind 360 362.7 IMR m Imran Pohan Menyongsong masa depan / Drs. M. Imran Pohan Cet. 1 Jakarta : Intimedia, 1986 x, 187 hlm : Ilus ; 24 cm 3.191/JB/19