F. D. Andrade Mantilla and D. M. Alquinga López, “Geotechnical rank in the The Playón, Mapasingue and The Pista sectors, Nambija Mining District”, Rev. Inst. investig. Fac. minas metal cienc. geogr, vol. 26, no. 51, p. e24742, Jun. 2023, doi: 10.15381/iigeo.v26i51.24742.