Yusupova, M., M. Mamadjonova, S. Egamberdiev, and I. Abduvohidov. “6 STUDY OF THE PROCESS OF AMINOLYSIS OF SECONDARY POLYETHYLENETEREPHALATE WITH MONOETHANOLAMINE WITHOUT THE PARTICIPATION OF A CATALYST AND ANALYSIS OF THE OBTAINED PRODUCT”. Scientific and Technical Journal of Namangan Institute of Engineering and Technology, vol. 11, no. 1, Mar. 2026, pp. 134-9, doi:10.61151/stjniet.v11i1.914.