YANG, Cheng, Bounseng BOUNTHONG, Sengdao PHETHSOMBATH, Yang Xang, and Bounmor VONGSIPASEUN. “Studying and Comparing the Problems of Using GeoGebra Application in Learning – Teaching for Mathematics Teachers at Secondary School As Classified by Gender, Work Experience and School Size”. Souphanouvong University Journal Multidisciplinary Research and Development 10, no. Special Issue (December 25, 2024): 06–12. Accessed January 17, 2026. http://www.su-journal.com/index.php/su/article/view/927.