A. W. Astasari, W. . Oetomo, and S. Sajiyo, “INVESTMENT SENSITIVITY AND SERVICE LEVY TARIFF SCHEME: CASE STUDY OF EAST SURABAYA HOSPITAL”, Int. J. Adv. Technol. Eng. Inform. Syst., vol. 3, no. 3, pp. 331–342, Jul. 2024.