Nursolihah, I., D. A. Sembiring, and S. A. Runggandini. “The Effect of Collaboration Between Hospitals With BPJS Kesehatan on the Number of Hospital Visits in Indonesia”. Journal of Pharmaceutical and Sciences, vol. 6, no. 2, June 2023, pp. 393-9, doi:10.36490/journal-jps.com.v6i2.118.