Siswanto, Febry, Rahayu Apriliaswati, and Wardah. 2023. “Designing Transactional Conversation Videos As Supplementary Materials to Support Teaching English Speaking Skill: (A Design and Development Research to the Second Semester Students of EESP of Universitas Tanjungpura in Academic Year 2021/2022)”. Journal of Scientific Research, Education, and Technology (JSRET) 2 (2):419-32. https://doi.org/10.58526/jsret.v2i2.86.