“Happinomics among Factors of Production using a Principal Component Analysis Approach: A Case Study of Labour and Entrepreneurs’ Subjective Happiness in KwaZulu-Natal, South Africa” (2014) Mediterranean Journal of Social Sciences, 5(4), p. 99. Available at: https://www.richtmann.org/journal/index.php/mjss/article/view/2198 (Accessed: 18 July 2024).