N. Rahmantika, St. Y Slamet, Kartika Chrysti Suryandari3, and Fida Rahmantika Hadi, “The Effectiveness of Problem-Based Learning Assisted by Canva and Learning Interest on Critical Thinking Skills in 4th Grade ”, J. Sci. Educ., vol. 6, no. 2, pp. 1276-1287, Jan. 2026.