Saichu N, Aree P, Sritoomma N. Development of indicators of the transformational leadership behavior of head nurses in private hospitals in Thailand. J Public Hlth Dev [internet]. 2019 Dec. 27 [cited 2025 Dec. 11];17(3):23-37. available from: https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/225847