Restian Dwi Wijaya (2026) “The Effect of Cash Turnover and Operating Income on Net Profit at PT Bumi Resources Tbk”, Journal Of Economic Cluster , 3(1), pp. 40–52. Available at: https://jurnal.erapublikasi.id/index.php/JoEC/article/view/2505 (Accessed: 14 July 2026).