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William O, Christian S. PENGARUH HARGA MINYAK KELAPA SAWIT DAN BATU BARA TERHADAP RETURN INDEKS HARGA SAHAM GABUNGAN. Logic [Internet]. 2023 Jan. 30 [cited 2025 Aug. 4];1(2):67-72. Available from: https://journal.widyatama.ac.id/index.php/logic/article/view/967