Nurlybayev А.; Bekzhigitova Л. Arithmetic-geometrical progression (AGP). Onyn kosyndysynyn formulas. Рroblems of engineering and professional education, [S. l.], v. 3, n. 3, p. 99, 2022. DOI: 10.32523/2220-685X-2010-3-3-99. Disponível em: https://bulprengpe.enu.kz/index.php/main/article/view/166. Acesso em: 3 may. 2024.