000 00277 a2200121 4500
080 _a631.8(063)
_bP 963
245 1 _aFertilizer in service training' programme
_bProceedings
260 _aRewa
_c1957
650 _aFertilizer
100 _a
_d
300 _a42 p.
901 _a54551
999 _c45341
_d45341