Andrade Mantilla FD, Alquinga López DM. Geotechnical rank in the The Playón, Mapasingue and The Pista sectors, Nambija Mining District. Rev. Inst. investig. Fac. minas metal cienc. geogr. 2023;26(51):e24742. doi:10.15381/iigeo.v26i51.24742