Welte, Arden F.
Your science fair: an opportunity for youth; a guidebook to successful science exhibits, by Arden F. Welte, James Dimond [and] Alfred Friedl. - Minneapolis, Burgess Pub. Co. 1962. - 161 p. : ill. ; 28 cm.
62020860
Science fairs.
Q105 / .W4 1962
500.074 / WEY
Your science fair: an opportunity for youth; a guidebook to successful science exhibits, by Arden F. Welte, James Dimond [and] Alfred Friedl. - Minneapolis, Burgess Pub. Co. 1962. - 161 p. : ill. ; 28 cm.
62020860
Science fairs.
Q105 / .W4 1962
500.074 / WEY