„Pre-seismicphenomenathatpreceded the M7.0 earthquakerecorded in Acapulco (Mexico) on September 8, 2021”. iJournals:International Journal of Social Relevance & Concern ISSN:2347-9698 10, no. 1 (ianuarie 19, 2022). Data accesării octombrie 22, 2026. https://ijournals.in/journal/index.php/ijsrc/article/view/78.