J. V. P. Flores, I. Carhuancho, D. L. P. Yactayo, G. del P. Saravia-Ramos, R. A. M. Romero, and F. A. Nolazco-Labajos, “Influence of Engagement and Job Satisfaction on the Flow State of Volunteers in a Non-Governmental Organisation in the Republic of Perú”, IJIS, vol. 7, no. 1, pp. 327–343, Jan. 2025.