et. al., W. D. . (2021) β€œβ€œThe Effect Of Leadership And Business Strategy On The Performance Of Pt.Spm Jakarta Indonesia"”, Turkish Journal of Computer and Mathematics Education (TURCOMAT), 12(8), pp. 998–1005. Available at: https://turcomat.org/index.php/turkbilmat/article/view/2978 (Accessed: 3 November 2025).