Analysis of Self-Estimated Pricing (HPS) in the Procurement Department Units 1&2 PT. PJB UP Paiton: Analisis Penentuan Harga Perkiraan Sendiri (HPS) di Bagian Pengadaan Unit 1&2 PT. PJB UP Paiton . prozima. 2023;7(1):59-72. doi:10.21070/prozima.v7i1.1612