000 00390nam a2200097Ia 4500
008 190716s9999 xx 000 0 und d
082 _aTD-253#
100 _aDesai Dipti M.
245 0 _aRelative effectiveness of graphic and projected aids in teaching selected units of foods and nutrition to school children of standard seven with reference to some psycho-social variables
942 _cMF
_2DDC
999 _c24962
_d24962