Moh. Sulthon Amien, M.Pd and Achmad Hidayatullah, M.Pd Assessing students' metacognitive strategies in e-learning and their role in academic performance. Jurnal Inovasi Teknologi Pendidikan.
Achmad Hidayatullah, M.Pd MOTIVATION AND BEHAVIORAL ENGAGEMENT: THE MEDIATING ROLE OF MATHEMATICS SELF-EFFICACY IN PRIMARY EDUCATION. ERIES Journal.
Achmad Hidayatullah, M.Pd and Radius Setiyawan,, S. Pd., M. A. Primary education students’ beliefs about the nature of mathematics, self-efficacy, and mathematics educators; a descriptive study from Indonesia. International Journal of Primary, Elementary and Early Years Education.