000			00278nam a2200121Ia 4500
100			_aPeriodical
942			_cBK
245			_aThe Progress of education, Vol.XLIV
260			_aPoona _bA.V Grha Prakashan _c1969-70
082			_a370.5. _bP.E
300			_a442
546			_aEnglish
999			_c333266 _d333266
041			_aeng