N. Udeajah , Victoria, and Daniel U. Onah. 2021. “Baby Incubation in Ebonyi State University Abakaliki Using the Physical Properties of Iron-Doped Copper Sulphide (CuS) and Lead Sulphide(PbS) Thin Films Made by SILAR Method”. American Scientific Research Journal for Engineering, Technology, and Sciences 81 (1):158-66. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/6492.