na INLIS000000000004939 20150119100120.0 a ||| | 170609| ||| | $a 978-979-497-328-8 $a 0010-011500000002943 $a Rahmat Rukmana $a Teknik pengelolaan lahan Berbukit dan kritis $a 1 $a Yogyakarta $b Kanisius $c 1995 $a 0714/b/kpad/2009