Mohammedain Adam Allhgabo Belal; Shair Alla Ahmed Hasan Ahamed; Ali Salih Ali Salih; Hajer Adam Mohmmed Adam; Hleima Faddal Ezaldein Rewais; Mohammed Abbas Alhag Mohammed; Alnabgha Mohamed Ngeib. Study of Optical Properties of Lithium Oxide (Li₂O) Thin Films at Different Molar Concentrations. MEJPAS 2026, 2 (1), 35-43.