Miftafudin R, Puspitasari I, Utomo AS. EFEK INFORMASI AKUISISI TERHADAP HARGA SAHAM, RETURN SAHAM, ABNORMAL RETURN, DAN TRADING VOLUME ACTIVITY PT. PETRINDO JAYA KREASI TBK TAHUN 2023. vol [Internet]. 2025Feb.6 [cited 2025Feb.23];7(1). Available from: https://ebook.umpwr.ac.id/index.php/volatilitas/article/view/6120