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Niranjan P. K. and Srinivasa Rao Kola, “The Radio k-chromatic Number for Corona of Graphs”, Asian-European Journal of Mathematics, 16(4):1-15, 2023. (SCOPUS, ESCI)
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Niranjan P. K. and Srinivasa Rao Kola, “On the radio k-chromatic number of paths”. Note Di Matematica, 42(1):37-45, 2022.
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Niranjan P. K. and Srinivasa Rao Kola, The Radio k-chromatic Number for Corona of Graphs, Asian-European Journal of Mathematics, 2022.
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Niranjan P K and Srinivasa Rao Kola, On the radio number for corona of paths and cycles, AKCE International Journal of Graphs and Combinatorics, 17(1), 2020, 269-275. (SCOPUS, SCIE).
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Srinivasa Rao Kola, Balakrishna Gudla and Niranjan P K, Some classes of trees with maximum number of holes two, AKCE International Journal of Graphs and Combinatorics, 17(1), 2020, 16-24. (SCOPUS, SCIE).
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Niranjan P K and Srinivasa Rao Kola, On the radio k-chromatic number of some classes of trees, International Journal of Applied and Computational Mathematics, 6(2), 2020, 1-14. (SCOPUS, ESCI).
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Niranjan P K and Srinivasa Rao Kola, The k-distance chromatic number of trees and cycles, AKCE International Journal of Graphs and Combinatorics, 16(2), 2019: 230-235. (SCOPUS, SCIE).
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Srinivasa Rao Kola, Balakrishna Gudla and Niranjan P K, Infinitely many trees with maximum number of holes zero, one, and two, Journal of Applied Mathematics. Vol. 2018, 1-14. (SCOPUS).