“Pengaruh lokus pengendalian, efikasi diri, dan keterampilan diri terhadap hasil belajar pendidikan jasmani” (2020) Journal of Physical Activity (JPA), 1(2), pp. 73–83. Available at: https://journal.apopi.org/index.php/jpa/article/view/16 (Accessed: 3 July 2025).