Cebe, Danilo, and Roberto Suson. “Determining Factors of teachers’ Readiness to Teach Economics Using a Spiral Progression Approach”. Humanities and Social Sciences Letters 11, no. 3 (September 12, 2023): 303–311. Accessed July 22, 2024. https://archive.conscientiabeam.com/index.php/73/article/view/3478.