BAYU BAMBANG NUR FAUZI; ARVIAL ILHAM FAHRUL SYAH; FAJAR CAHYA RAMADHAN; MUHAMMAD HISAN MUBAROK. Theoretical Studies as the Foundation for Formulating Research Hypotheses. Bibliotheca: Journal of Philosophy, [S. l.], v. 2, n. 1, p. 14–20, 2026. DOI: 10.61166/bibliotheca.v2i1.51. Disponível em: https://bibliotheca.hellowpustaka.id/index.php/i/article/view/51. Acesso em: 4 mar. 2026.