Ed.D RB. CAP-italizing on the Strengths of Learners: The effect of Contract Activity Package versus traditional instruction on the achievement of regents level students in 8th grade social studies. sslej [Internet]. 2017 Sep. 30 [cited 2026 Sep. 27];2(9). Available from: https://sslej.in/index.php/sslej/article/view/1466