Rivai M, Yusri Y, Rivai ATO, Anwar M. Teachers’ language politeness, students’ academic motivation and self-efficacy during school from home. CJES [Internet]. 2021 Oct. 31 [cited 2024 Nov. 22];16(5):2161-72. Available from: https://un-pub.eu/ojs/index.php/cjes/article/view/6236