Velev, V. , Popov, A., Arhangelova, N. , Kyurkchiev, P., Hristov, H. , Bello, M. , Moschini, G. and Uzunov, N. 2023. EFFECT OF PROTON IRRADIATION ON THE STRUCTURE DEVELOPMENT OF POLYETHYLENE TEREPHTHALATE FIBERS: EFFECT OF PROTON IRRADIATION ON THE STRUCTURE DEVELOPMENT OF POLYETHYLENE TEREPHTHALATE FIBERS. JOURNAL SCIENTIFIC AND APPLIED RESEARCH. 5, 1 (Mar. 2023), 181–185. DOI:https://doi.org/10.46687/jsar.v5i1.127.