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The local irregular chromatic number is denoted by [Formula: see text] In this paper, we study local irregular vertex coloring of [Formula: see text], and [Formula: see text] <\/jats:p>","DOI":"10.1142\/s1793830922501488","type":"journal-article","created":{"date-parts":[[2022,9,21]],"date-time":"2022-09-21T16:11:01Z","timestamp":1663776661000},"source":"Crossref","is-referenced-by-count":1,"title":["Local irregular vertex coloring of comb product by path graph and star graph"],"prefix":"10.1142","volume":"15","author":[{"given":"Arika Indah","family":"Kristiana","sequence":"first","affiliation":[{"name":"Department of Mathematics Education, University of Jember, Jember 68121, Indonesia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4086-0294","authenticated-orcid":false,"given":"Indah Lutfiyatul","family":"Mursyidah","sequence":"additional","affiliation":[{"name":"Department of Mathematics Education, University of Jember, Jember 68121, Indonesia"}]},{"given":"D.","family":"Dafik","sequence":"additional","affiliation":[{"name":"Department of Mathematics Education, University of Jember, Jember 68121, Indonesia"}]},{"given":"Robiatul","family":"Adawiyah","sequence":"additional","affiliation":[{"name":"Department of Mathematics Education, University of Jember, Jember 68121, Indonesia"}]},{"given":"Ridho","family":"Alfarisi","sequence":"additional","affiliation":[{"name":"Department of Elementary, School Teacher Education, University of Jember, Jember 68121, Indonesia"}]}],"member":"219","published-online":{"date-parts":[[2022,9,21]]},"reference":[{"key":"S1793830922501488BIB001","doi-asserted-by":"crossref","first-page":"275","DOI":"10.1007\/s00373-017-1758-7","volume":"33","author":"Arumugam S.","year":"2017","journal-title":"Graphs Combin."},{"key":"S1793830922501488BIB002","first-page":"1","volume":"4","author":"Azahra N.","year":"2020","journal-title":"Int. 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