William, Otniel, and Samuel Christian. 2023. “PENGARUH HARGA MINYAK KELAPA SAWIT DAN BATU BARA TERHADAP RETURN INDEKS HARGA SAHAM GABUNGAN”. Jurnal Logic: Logistics & Supply Chain Center 1 (2):67-72. https://doi.org/10.33197/logic.v1i2.967.