“Knowledge and Practice on Preventive Measures Against Covid 19 in Merchants Selling Basic Necessities of the Huancavelica Food Market - 2021”. GnosisWisdom 3, no. 1 (April 25, 2023): 35–48. Accessed April 17, 2026. https://gnosiswisdom.pe/rev_gnosis/index.php/revista/article/view/55.