00474     2200169   4500001002100000005001700021008004100038035002400079040001200103082001700115084001700132100001700149245005600166250001100222260004000233300003100273BHATT-0814000000070120140825111705.0160921|||||||||   |   |||   |||| ||ind||  0010-081400000000701  aJKPNPNA042[21]a370.15  a370.15 TJE k0 aTjetje Jusuf10aKesukaran-kesukaran dalam Pendidikan/cTjetje Jusuf  aCet. 2  aJakarta :bPN Balai Pustaka,c1980.  a95 hlm. :bilus. ;c20 cm.