[1]
“The Marginal Diminishing Returns/Marginal Increasing Returns in The Pursuit of Happiness”, GJMBR, vol. 20, no. B1, pp. 9–12, Jan. 2020, Accessed: Feb. 04, 2026. [Online]. Available: https://testing.journalofbusiness.org/index.php/GJMBR/article/view/3004