na 940711s1983|||| | d p ||| | BKTDB2001201400099 20140120135924.267 013-200114009960 SBPKHAT [22] 331.76 331.76 BAM m Masalah petani gurem / Bambang Tri Cahyono Yogyakarta : Liberty, 1983 vi, 113 hlm. ; 21 cm. Bambang Tri Cahyono Buruh pertanian SBPKHAT