Ngoc Ha, N., Kim Hieu, T., Thanh Tung, N., & Hong Vu, L. (2005). LOCK-IN-PHASE ANALYSIS OF n-GaAs PHOTOREFLECTANCE SPECTRA. Science and Technology Development Journal, 8(4), 34-38. https://doi.org/https://doi.org/10.32508/stdj.v8i4.2988