Yuniar, C. R., Widyaningsih, L., Indraswari, & Yustyananingrum, N. . (2025). Analysis Of BPJS Drug Investment Management Using Activity-Based Cost (ABC) Method (Case Study in Ponorogo Health Office). Airlangga Journal of Innovation Management, 6(1), 1–12. https://doi.org/10.20473/ajim.v6i1.64041