YANG, Cheng, Bounseng BOUNTHONG, Sengdao PHETHSOMBATH, Yang Xang, and Bounmor VONGSIPASEUN. 2024. “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 (Special Issue):06-12. https://doi.org/10.69692/SUJMRD10special06.