Effects of thermal annealing on the composition of the metal-oxide phases in copper oxide thin films - Barce, Jermaine Nicole; Tuico, Anthony; Husay, Horace Andrew; Tumanguil, Mae Agatha; Estacio, Elmer; Salvador, Arnel; Somintac, Armando (Proceedings of the 33rd Samahang Pisika ng Pilipinas Physics Congress, 2015)