YUWONO, Tri. The Impact of Covid-19 Indian Variant on Changes in Stock Prices and Transaction Volume: Case Study At PT. Solusi Bangun Indonesia, Tbk. Prosiding University Research Colloquium, [S. l.], p. 1–6, 2021. Disponível em: https://repository.urecol.org/index.php/proceeding/article/view/1606. Acesso em: 19 may. 2024.