na INLIS000000000006333 20231202141359 231202||||||||| | ||| |||| || | 010-1223006333 id 333.7 333.7 CAH p Cahyono, Bambang Tri Pengelolaan sumberdaya Ed.1, cet.1 Yogyakarta Liberty 1983 vi, 106 hlm. ; 21 cm. R11.03 - R11-0036 Sumber Daya Alam