Muhammad Hakim Saputra, Rahmat Rizal Andhi and Edi Susilo 2023. Back-End development on Laboratory Information System in Universitas Riau. International Journal of Electrical, Energy and Power System Engineering. 6, 2 (Jun. 2023), 161-167. DOI:https://doi.org/10.31258/ijeepse.6.2.161-167.