Nurani, Chamelia, and Rizki Rahmawati. “Development and Psychometric Evaluation of a Formative Assessment Instrument for Higher Order Thinking Skills in Akidah Akhlak Phase E”. Eduvista: Journal of Education and Innovation, vol. 1, no. 1, July 2026, pp. 199-13, https://perfidiajournal.com/index.php/eduvista/article/view/41.