R. M. C. . Broncano, S. R. . Cajegas, D. M. . Carog, A. C. . Lecias Jr., R. . Velasco, and C. L. C. . Villablanca, “Agile Scrum Techniques on Detailed Product Backlogs: Basis in the Development of Human Resource Management in Freight Services”, AASgBCPJMRA, vol. 1, no. 1, Apr. 2019.