1.
Ridwan M. EMPLOYEE SELF SERVICE (ESS) ONLINE IN PT. DATA UTAMA. Int. J. Eng. Tech. Mgmt. Res. [Internet]. 2019 Oct. 31 [cited 2022 Sep. 29];6(10):59-64. Available from: https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/07_IJETMR19_A10_1275