Sulastri Menni Saragih, Natalina Purba, and Esti Sirait, “The Influence of Take and Give Learning Model on Students Learning Outcomes in Subhteme 2 The Importance of Clean Air for Health in Grade V UPTD SDN Pematang Siantar”, IJIST, vol. 1, no. 5, pp. 609–620, Nov. 2023.