Sukemi, M. Y., E. Trisnawati, and S. Selviana. “Factors Related to Covid-19 Prevention Behaviour on Market Traders in Pontianak”. Jurnal EduHealth, vol. 13, no. 02, Nov. 2022, pp. 603-9, https://ejournal.seaninstitute.or.id/index.php/healt/article/view/712.