Lea Fathra Azha Nabiela, - and Lifatin Nada, - and Darmawa, - (2023) Abnormal Return Analysis of Heatwave Announcement in China Has the Potential to Increase Indonesia’s Coal Exports in Bumi and Adro Stocks. Jurnal Ekonomi LLDikti Wilayah 1 (JUKET), 3 (1). pp. 1-7. ISSN ISSN : 2807-4009