PHATSOMBATH, S.; VANG, K.; VONGSIPASEUTH, B.; CHIACHERLAO, F.; BOUNTHONG , B.; PHONGSAVATH, S. Using 7E Method Learning Teaching About Derivative and Indefinite Integration In Faculty of Education Souphanouvong University Academic Year 2019 - 2020 : https://doi.Org/10.69692/SUJMRD080264. sujournal 2022, 8, 64-69.