2017. Comparison of standard light-emitting diode (LED) and 385 nm ultraviolet A LED (UVA-LED) for disinfection of Escherichia coli. Malaysian Journal of Fundamental and Applied Sciences. 13, 4-2 (Dec. 2017), 430–437. DOI:https://doi.org/10.11113/mjfas.v13n4-2.758.