Siregar, Nurliani, Hisar Siregar, and Hasahatan Hutahaean. “Application of the Picture and Picture Type of Cooperative Learning Model in Improving Student Learning Creativity”. JTP - Jurnal Teknologi Pendidikan 23, no. 1 (June 23, 2021): 23-36. Accessed August 4, 2025. http://103.8.12.212:33180/unj/index.php/jtp/article/view/20300.