Soeparno, P., and C. Ismaniati. “MATHEMATICS PRE-SERVICE TEACHERS’ DIGITAL LITERACY AND THEIR READINESS TOWARDS 21ST CENTURY LEARNING: A MIXED METHOD STUDY”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 16, no. 2, June 2022, pp. 643-50, doi:10.30598/barekengvol16iss2pp643-650.