na INLIS000000000010952 20130515224501 ind 979-420-542-7 0010-051300000010952 ind 634.9 634.9 Sumardi, Dasar-Dasar Perlindungan Hutan Cetakan : 1 Yogjakarta Gadjah Mada University Press 2004 xiv, 228 hlm. : ilus. ;21 cm. 218 Kehutanan Widyastuti, 14019