Syofyan, D.K., Baskoro, E.T. and Assiyatun, H. 2016. Trees with Certain Locating-chromatic Number. Journal of Mathematical and Fundamental Sciences. 48, 1 (Apr. 2016), 39-47. DOI:https://doi.org/10.5614/j.math.fund.sci.2016.48.1.4.