na INLIS000000000009484 20130612101256 Ind 010-061300000009484 Ind 37/302 8 37/302 8, Ham . p Hamalik, Umar Perencanaan Berdasarkan Pendekatan Sisitem, Umar hamalik 2002 jakarta xi,240 hlm 239-140 Pengajaran-Perencanaan NBPNMAT