000 00509nam a2200169Ia 4500
008 170901s1980 xx 000 0 und d
082 _a630.717
_bS11D
100 _aSaini, Gurbachan. S
245 0 _aDistance-Teaching
_bProspects and Problems
260 _aLudhiana
_bSahitya Kala Prakashan
_c1980
300 _a147
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aAgricultural extension work
653 _aStudy and teaching
942 _2ddc
_cBK
999 _c12606
_d12606