TY - JOUR
AU - 
TI - A Comparison of Biologic Content in Three Elementary-School Science Curriculum Projects: ESS, S-APA, SCIS
JF - The American Biology Teacher
DO - 10.2307/4444832
DA - 1974-09-01
UR - https://www.deepdyve.com/lp/crossref/a-comparison-of-biologic-content-in-three-elementary-school-science-HUiRwbDzdC
SP - 340
EP - 343
VL - 36
IS - 6
DP - DeepDyve
ER -