na INLIS000000000008701 20170413112355 ta 170413 d 0 ind 979-8399-00-5 0010-0417000573 R 915.981 4 R 915.981 4 SOE p Soemargono Profil Propinsi Republik Indonesia Riau / Soemargono Jakarta : Yayasan Bhakti Nusantara 42 hlm. : Ilust. ; 24 cm. GEOGRAFI RIAU 3868/KPADHSU/2007