SEANGJAN, P. The Development of a Manual for Civic Duty, Culture and Social Life Learning Strand by Incorporating the Stad-Cooperative Learning Technique with Yonisomanasikan or Analytical Thinking that Affect Collaborative Behavior, Critical Thinking and Learning Achievement of Mathayom Suksa 2 Students. Journal of Graduate Research, v. 11, n. 2, p. 27-41, 1 Dec. 2020.