Purwanti, Eko, and Salma Octavia. “Examining teachers’ Motivation in Conducting Teacher Professional Development: A Self-Determination Theory Perspective”. English Language Teaching Educational Journal 5, no. 3 (June 3, 2023): 202–213. Accessed July 3, 2024. https://journal2.uad.ac.id/index.php/eltej/article/view/8141.