Zulfikri, Agung, Tera Lesmana, and Gustian Djuanda. 2021. “Impact of Covid-19 Pandemic on Financial Performance in Sub-Sector Pharmaceutical Companies Listed on the IDX”. Nusantara Science and Technology Proceedings 4 (4). Malang, Indonesia:138-44. https://doi.org/10.11594/nstp.2021.1016.