Effendi, A.D. 2022. Dampak Return On Assets (ROA) dan Debt To Equity Ratio (DER) Terhadap Harga Saham PT Telkom Indonesia Tbk Periode 2011-2020. Jurnal Dialektika: Jurnal Ilmu Sosial. 20, 2 (Aug. 2022), 119–125. DOI:https://doi.org/10.63309/dialektika.v20i2.112.