000 00339nam a2200121Ia 4500
008 170101s1982 xx 000 0 und d
082 _a630.7 CRU
100 _aCrunkilton John R.
245 0 _aTeaching Agriculture through Problem Solving.
260 _bThe INstitute of Printers & Publishers
_c1982
300 _a324 p
942 _2ddc
_cB
999 _c828766
_d828766