Nuha, A. U., M. Rosichin, M. Indrik, and A. Maharani. “Enhancing Group Leader Work Performance in Mining Company: The Role of Leadership Styles, Work Engagement and Motivation”. Daengku: Journal of Humanities and Social Sciences Innovation, Vol. 4, no. 1, Dec. 2023, pp. 75-83, doi:10.35877/454RI.daengku2255.