Newspaper Advertising As A Source For The History Of Kazan Industry In The Second Half Of The Xix Century. Revista San Gregorio, [S. l.], v. 1, n. 23, p. 40–47, 2018. Disponível em: https://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/674. Acesso em: 28 dec. 2025.