na INLIS000000000004299 0010-0324004299 Pustaka Timbang Holding Bapak Drs, Sutan Radja Dl Sitorus Jakarta: Dian Utama , 2012 4X1.2 Rik 4X1.2 200700206626 200700206627 200700206628 200700206629 200700206630