M. Djauhari et al. 2023. THE EFFECT OF RETURN ON INVESTMENT AND OPERATING CASH FLOW RATIO ON EARNINGS PER SHARE AT PT. GOLD BATTLE SHIPPING (TEMAS) TBK. International Journal of Innovations in Engineering Research and Technology. 10, 6 (Jun. 2023), 47–61. DOI:https://doi.org/10.17605/OSF.IO/Y7GRC.