Sawsan Sultan Abu-Hassan and Prof. Ahmad Hasan Al-Ayasrah 2023. The Effectiveness of a Multimedia Educational Software based on a Model in developing Systemic Thinking Skills among Seventh Grade Students. Journal of Arts, Literature, Humanities and Social Sciences. 92 (Jun. 2023), 109-123. DOI:https://doi.org/10.33193/JALHSS.92.2023.841.