Hermawan, Hengki, Tjeri Hadrillah, and R.R Renny Anggraini. “PENGARUH GROSS PROFIT MARGIN OPERATING PROFIT MARGIN NET PROFIT MARGIN TERHADAP HARGA SAHAM”. PROSIDING SENANTIAS: Seminar Nasional Hasil Penelitian dan Pengabdian kepada Masyarakat 4, no. 1 (July 31, 2023): 1134–1143. Accessed February 4, 2026. https://openjournal.unpam.ac.id/index.php/Senan/article/view/33847.