na INLIS000000000009572 20171206123955.0 171129 2017 jtia g o ind 978-602-1151-90-7 010-111700000000015 [22] 330.915 9812 330.915 9812 Bai j BAIHAQI, Nu'man Jelajah Sumatera Utara : potensi sumber daya ekonomi dan industri / Baihaqi Nu'man Surakarta : Borobudur Inspira Nusantara, 2017 118 hlm. : ilus. ; 30 cm EKONOMI-INDUSTRI SUPUDES 16.479-16.511/DPDA/DS/2017