Siti Khadijah Che Osmi et al. 2020. CHARACTERISTICS OF PHOTO-LUMINESCENT (PL) POWDER APPLIED WITH POLYESTER RESIN AS GLOW-IN-THE-DARK EMERGENCY SIGNAGE. Zulfaqar Journal of Defence Science, Engineering & Technology. 3, 1 (Jun. 2020). DOI:https://doi.org/10.58247/jdset-2020-0301-05.