000 00511nam a2200145Ia 4500
008 170101s2017 xx 000 0 und d
082 _a630.715 D18H
100 _aDaulat Singh
245 0 _aHandbook on field problems, identification, documentation and follow-up.
260 _aNew Delhi
_bMinistry of Agriculture, Directorate of Extension
300 _a27cm. 41
650 _aAGRICULTURAL EXTENSION WORK -- HANDBOOKS, MANUALS ETC.
653 _aAGRICULTURAL EXTENSION WORK -- HANDBOOKS,
942 _2ddc
_cB
999 _c103855
_d103855