Jivasitthikul, J., M. . chunin, and P. Wongpinpech. “Causal Factors and Effect of Coaching Behavior of Branch Managers in Banking Business”. Rajapark Journal, vol. 16, no. 49, Dec. 2022, pp. 41-56, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/258514.