J. K. C. Vieira and M. C. de Almeida, “MANAGEMENT OF MATERIALS, ASSETS, AND PURCHASING PROCESSES IN SMALL BUSINESSES: MANAGEMENT CHALLENGES FACED BY ENTREPRENEURS WITHOUT ACADEMIC TRAINING”., REASE, vol. 12, no. 7, pp. 1–21, Jul. 2026, doi: 10.51891/rease.v12i7.29125.