Masruroh, Viki, Restu Lusiana, and Vera Dewi Susanti. “Development of Student Worksheets Oriented to Problem Based Learning Integrated 21st Century Skills”. AL-ISHLAH: Jurnal Pendidikan 15, no. 1 (January 10, 2023): 519–532. Accessed October 12, 2026. https://www.alishlah.ahfpublishing.id/alishlah/article/view/2466.