STUDY OF PHYSICO-CHEMICAL PROPERTIES OF SULPHUR, NITROGEN AND PHOSPHORUS-CONTAINING OLIGOMERS. American Journal of Engineering , Mechanics and Architecture (2993-2637), [S. l.], v. 1, n. 7, p. 104–107, 2023. Disponível em: https://www.grnjournal.us.e-scholar.org/index.php/AJEMA/article/view/841. Acesso em: 27 jan. 2026.