Priskila, Erin, Andreas Priyono Budi Prasetyo, and Yustinus Ulung Anggraito. “Biology Assessment Survey of Semarang Senior High As a Description of 21st Century Teacher’s Readiness”. Journal of Innovative Science Education 9, no. 2 (August 3, 2020): 173 - 180. Accessed April 19, 2024. https://journal.unnes.ac.id/sju/jise/article/view/33941.