Olaniran, Saidat Fehintola, and Mohd Tahir Ismail. “A Comparative Analysis of Semiparametric Tests for Fractional Cointegration in Panel Data Models”. Austrian Journal of Statistics 51, no. 4 (August 26, 2022): 96–119. Accessed October 8, 2025. https://www.ajs.or.at/index.php/ajs/article/view/1170.