T. K. Zoxidjon, “In the World Community of Primary School Textbooks Tested Conceptual Foundations: Di Komunitas Dunia Buku Teks Sekolah Dasar Menguji Pondasi Konseptual”, ijemd, vol. 17, no. 4, p. 10.21070/ijemd.v20i.627, Nov. 2022.