Nurtakanova И. . .; Pikuleva О. . Methodological approach to studying leadership qualities of small and medium-sized business managers under conditions of uncertainty. Journal of Economic Research & Business Administration, [S. l.], v. 155, n. 1, p. 143–155, 2026. DOI: 10.26577/be1551202610. Disponível em: https://be.kaznu.kz/index.php/math/article/view/3101. Acesso em: 11 apr. 2026.