S. M. Thahab and  H. Abu Hassan and  Z. Hassan,  Performance of InGaN/GaN Laser Diode Based on Quaternary Alloys Stopper and Superlattice Layers.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 322 - 326
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/6302.