Olorogun, Lukman Ayinde, et al. “Symbiotic Relationship Between a Healthy Population and a Sustainable Economy: Financial Performance of Julphar Gulf Pharmaceutical Industries”. International Journal of Economics and Financial Issues, vol. 10, no. 2, Mar. 2020, pp. 148-55, https://mail.econjournals.com/index.php/ijefi/article/view/9406.