Kaliaskarova G, Mussabalina G. Development of Navigation and Merchant Trade on the Irtysh River in the Second half of the XIX century: Economic and Social Aspects of the Cities of the Irtysh Region. HPH [Internet]. 2025 June 30 [cited 2026 Nov. 12];11830(2):70-8. Available from: https://ejh.buketov.edu.kz/history-philosophy-vestnik/article/view/1540