Galanin, S. (2018) “Newspaper Advertising As A Source For The History Of Kazan Industry In The Second Half Of The Xix Century”, Revista San Gregorio, 1(23), pp. 40–47. Available at: https://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/674 (Accessed: 18 February 2026).