Christianus Yanuarli Agung Pratama & Yustinus Sukarmin. (2019). The relationship of teacher certification, work motivation, and the working period with the performance of physical education teachers of elementary schools. Kazimierz Wielki University.
Chicago Style (17th ed.) CitationChristianus Yanuarli Agung Pratama and Yustinus Sukarmin. The Relationship of Teacher Certification, Work Motivation, and the Working Period with the Performance of Physical Education Teachers of Elementary Schools. Kazimierz Wielki University, 2019.
MLA (9th ed.) CitationChristianus Yanuarli Agung Pratama and Yustinus Sukarmin. The Relationship of Teacher Certification, Work Motivation, and the Working Period with the Performance of Physical Education Teachers of Elementary Schools. Kazimierz Wielki University, 2019.