Lasmi Van Gobel 1 ,Mar’atul Jannah Biki 2,Nikita S. Ahmad3 ,Yuni Susiyani S. Podungge 4Abdul Rahmat5 , Rusminn Husain6. “Improving Student Learning Achievement Through Diversity Books in Class 2 Theme 3 Subtheme 2 PKN Content at SDN 90 SIPATANA”. Journal of Pedagogical Inventions and Practices, vol. 14, Nov. 2022, pp. 90-96, https://zienjournals.com/index.php/jpip/article/view/2865.