SHUKUROV, Z.; ASHIROVA, M. GEOMETRIK PROGRESSIYA HADLARI YIG‘INDISI FORMULASINING TOQ VA JUFT O‘RINLARI TADBIQI. INTEGRATION OF SCIENCE, EDUCATION AND PRACTICE. SCIENTIFIC-METHODICAL JOURNAL, [S. l.], p. 296–300, 2022. Disponível em: https://bilig.academiascience.org/index.php/isepsmj/article/view/681. Acesso em: 9 jan. 2025.