Muhammad Arya Putra Fadlillah, Ikhah Malikhah, & Soulthan Saladin Batubara. (2024). Analysis of Motivation, Work Environment, Competence and Discipline on Employee Performance of PDAM Tirtanadi Sunggal Branch Medan . International Journal of Integrative Sciences, 3(9), 949–960. https://doi.org/10.55927/ijis.v3i9.11425