Mannatirai, P., D. Siriwattanakul, D. Siriwattanakul, S. Hensawang, and N. Jeljinda. “PERSISTENCE ANALYSIS OF RETURN ON INVESTMENT IN EQUITY MUTUAL FUND IN THAILAND”. Academic Journal of Mahamakut Buddhist University Roi Et Campus, vol. 11, no. 1, Mar. 2022, pp. 563-77, https://so01.tci-thaijo.org/index.php/AJMBU/article/view/256149.