Multiple lasing Brillouin Fiber Laser with the implementation of reflective Fiber Bragg Grating in a ring cavity configurationA. Zakiah Malek, N. A. M. Ahmad Hambali, M. H. A. Wahid, M. M. Shahimin, A. Harun and N. AliEPJ Web Conf., 162 (2017) 01006DOI: https://doi.org/10.1051/epjconf/201716201006