Goshit GG, Zumba YI. An investigation of the relationship between human capital development and economic growth in Nigeria: A principal component analysis based human capital development index. AJEER [Internet]. 2025 Dec. 24 [cited 2025 Dec. 29];12(2):151-65. Available from: https://asianonlinejournals.com/index.php/AJEER/article/view/7929