Refugio, Craig N., Patrick G. Galleto, Clint D. Noblefranca, Hermie V. Inoferio, Arturo O. Macias, Dundee G. Colina, and Charles Y. Dimalig. “Content Knowledge Level of Elementary Mathematics Teachers: The Case of a School District in the Philippines”. Cypriot Journal of Educational Sciences 15, no. 3 (June 29, 2020): 619–633. Accessed April 26, 2024. https://un-pub.eu/ojs/index.php/cjes/article/view/4551.