000			00360nam a2200121 4500
003			OSt
082			_a630.7 KRE - M
100			_aKrebs, A. H.
245			_aFor More Effective Teaching _bA Problem Solving Approach for Teachers of Vocational Agriculture
260			_aIllinois _bTeachers Education University, Danville _c1954
300			_a136
942			_2ddc _cBK
999			_c137650 _d137650