YUDA, G. W. A LIGAND-BASED VIRTUAL SCREENING ON NATURAL COMPOUND PRODUCTS AGAINST SARS-COV-2 MAIN PROTEASE (Mpro) USING SUBSTRUCTURE SIMILARITY AND MACHINE LEARNING APPROACH. Berkala Ilmiah Mahasiswa Farmasi Indonesia, v. 9, n. 1, p. 25-41, 30 jun. 2022.