COHEN, A. The Changes In Calendars In The Ancient World As A Tool To Teach The Development Of Astronomy. Journal of Astronomy & Earth Sciences Education, [S. l.], v. 5, n. 1, 2018. Disponível em: https://journals.modernsciences.org/index.php/JAESE/article/view/69. Acesso em: 16 oct. 2024.