Studying the photodegradation of ethylcellulose and methylcellulose in the presence and absence of benzophenone (BPh) . Journal of the College of Basic Education, [S. l.], v. 15, n. 57, p. 1–14, 2022. DOI: 10.35950/cbej.v12i57.7989. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7989.. Acesso em: 7 jul. 2024.