Sarjana, Ketut, et al. “Construction of Teaching Materials To Facilitate 21st Century Learning on Critical and Creative Thinking”. Jurnal Kependidikan: Jurnal Hasil Penelitian Dan Kajian Kepustakaan Di Bidang Pendidikan, Pengajaran Dan Pembelajaran, vol. 10, no. 1, Mar. 2024, pp. 242-50, doi:10.33394/jk.v10i1.9442.