=LDR 00000nam 2200000 4500 =001 INLIS000000000042130 =005 20201012083525 =035 ##$$a 0010-101300000000052 =008 201012###########################0###### =041 ##$$a Ind =082 ##$$a 307.720 959 312 =090 ##$$a 307.720 959 312, Ind s =100 ##$$a Simanjuntak,B.A, Drs =245 1#$$a Sistem Gotong RoyongDalam Masyarakat Pedesaan daerah Sumatera Utara, Drs. B.A, Simanjuntak =260 ##$$a 1979 :$b bDepatemen Pendidikan dan Kebudayaan =300 ##$$a 189 hlm, Ilus, 23 cm =850 ##$$a NBPNMAT