Haso, A. S. ., and A. Y. . . . . . Muhammad. “The Effectiveness of a Proposed Program Based on The Theory of Brain-Based Learning in Developing Systemic Thinking Among Seventh Grade Students in Biology”. Zanco Journal of Human Sciences, vol. 27, no. SpA, Oct. 2023, pp. 417-33, doi:10.21271/zjhs.27.SpA.22.