Chacha-Chacha, M. J., Jara-Zhunio, J. L., Kuamar-Warusha, N. E. and López-Jara, A. A. (2025) “Analysis of the Tsapau association´s operating cost and their impact on profitability”, Runas. Journal of Education and Culture, 6(13), p. e250312. doi: 10.46652/runas.v6i13.312.