000 00757nam a22002777a 4500
001 G70111
003 MX-TxCIM
005 20170719104222.0
008 121211s ||||f|m||||||| || | |
040 _aMX-TxCIM
090 _aLook under author name
100 1 _aWalker, Thomas Steven
245 0 0 _aDecision making by farmers and by the national agricultural research program on the adoption and development of maize varieties in El Salvador
260 _c1980
300 _axiii+203p
340 _aPrinted
500 _aNationality: US
500 _aThesis Ph D|(US-Stanford 1980 WALKER D r)
546 _aEnglish
592 _aUS-Stanford 1980 WALKER D r
595 _aTC
595 _aTSC
740 _a50078
740 _a70111
942 _cTH
999 _c43352
_d43352