000 00501nam a22001817a 4500
003 OSt
008 220531b |||||||| |||| 00| 0 eng d
082 _a630.715
_bC49H
100 _aChaubey, B.K.
245 _aA handbook of extension education
250 _a1st. ed.
260 _aAllahabad
_bJyoti Prakashan
_c1979
300 _aii, 116 p.
650 _a Agriculture and related technologies
650 _aTechnology (Applied sciences)
650 _aExtension Education
942 _2ddc
_cBB
999 _c24612
_d24612