Truong, Buu-Chau, Thi Diem-Chinh Ho, Thu-Quang Luu, and Michael McAleer. “Universal Point Estimation, With Applications in Economics, Business and Decision Sciences”. Journal of Reviews on Global Economics 8 (December 13, 2019): 1035–1045. Accessed July 4, 2024. http://lifescienceglobalca.com/index.php/jrge/article/view/6257.