Bayu Bambang Nur Fauzi, Arvial Ilham Fahrul Syah, Fajar Cahya Ramadhan, & Muhammad Hisan Mubarok. (2026). Theoretical Studies as the Foundation for Formulating Research Hypotheses. Bibliotheca: Journal of Philosophy, 2(1), 14–20. https://doi.org/10.61166/bibliotheca.v2i1.51