Oktarena, Amalia, and Nur Efendi. 2023. “PERSONAL SELLING EFFECTIVENESS IN SALES HEALTH EQUIPMENT AND LABORATORIES POST PANDEMIC COVID-19 PT MANDIKA ATUS GRATIA BENGKULU”. Jurnal Kompetitif Bisnis 1 (1):10. https://www.jkb.fisip.unila.ac.id.121-50-32-50.cpanel.site/index.php/jkb/article/view/294.