2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/207650We investigate the possibility that dark matter could be made from CP-even and CP- odd Higgs bosons in the SU(3)_C X SU(3)_L X U(1)_N (3-3-1) model with right-handed neutrinos. This self-interacting dark matters are stable without imposing of new symmetry and should be weak-interacting.7 pages, Latex, To appear in Europhys. LettHigh Energy Physics - Phenomenologytext