AHMAD AGUS YASIN; SISKA ALDA. Pengaruh Price Earning Ratio (PER) Dan Return On Assets (ROA) Terhadap Harga Saham Pada PT PolyChem Indonesia TBK Periode 2013-2022. JURNAL SeMaRaK, [S. l.], v. 8, n. 1, p. 63–73, 2025. DOI: 10.32493/smk.v8i1.47925. Disponível em: https://openjournal.unpam.ac.id/index.php/smk/article/view/47925. Acesso em: 16 mar. 2026.