AFIFAH. Implementation Of Standard Operating Procedure (Sop) In Processing Printed Book Collections In The Muhammadiyah Magelang University Library. Crossroad Research Journal, [S. l.], v. 1, n. 1, p. 24–29, 2024. Disponível em: https://journal.yayasanpad.org/index.php/crj/article/view/88. Acesso em: 16 feb. 2026.