00429oas 2200169z- 450 99105529701033212663-8134(CKB)4100000012793502(EXLCZ)99410000001279350220240716cuuuuuuuu -u- -engEspiralPeruUniversidad Nacional Mayor de San MarcosJOURNAL9910552970103321Espiral1843570UNINA