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In the mid\u20101980s, intuitionistic fuzzy set theory emerged as another mathematical framework to deal with the uncertainty of subjective judgments and made it possible to represent hesitancy in a decision\u2010making problem. Nowadays, intuitionistic fuzzy multiobjective linear programming (IFMOLP) problems are a topic of extensive research, for which a considerable number of solution approaches are being developed. Among the available solution approaches, ranking function\u2010based approaches stand out for their simplicity to transform these problems into conventional ones. However, these approaches do not always guarantee Pareto optimal solutions. In this study, the concepts of dominance and Pareto optimality are extended to the intuitionistic fuzzy case by using lexicographic criteria for ranking triangular intuitionistic fuzzy numbers (TIFNs). Furthermore, an intuitionistic fuzzy <jats:italic>\u03b5<\/jats:italic>\u2010constraint method is proposed to solve IFMOLP problems with TIFNs. The proposed method is illustrated by solving two intuitionistic fuzzy transportation problems addressed in two studies (S. Mahajan and S. K. Gupta\u2019s, \u201cOn fully intuitionistic fuzzy multiobjective transportation problems using different membership functions,\u201d Ann Oper Res, vol. 296, no. 1, pp. 211\u2013241, 2021, and Ghosh et al.\u2019s, \u201cMulti\u2010objective fully intuitionistic fuzzy fixed\u2010charge solid transportation problem,\u201d Complex Intell Syst, vol. 7, no. 2, pp. 1009\u20131023, 2021). Results show that, in contrast with Mahajan and Gupta\u2019s and Ghosh et al.\u2019s methods, the proposed method guarantees Pareto optimality and also makes it possible to obtain multiple solutions to the problems.<\/jats:p>","DOI":"10.1155\/2023\/9677396","type":"journal-article","created":{"date-parts":[[2023,4,12]],"date-time":"2023-04-12T18:50:08Z","timestamp":1681325408000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["An <i>\u03b5<\/i>\u2010Constraint Method for Multiobjective Linear Programming in Intuitionistic Fuzzy Environment"],"prefix":"10.1155","volume":"2023","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5623-4039","authenticated-orcid":false,"given":"Boris","family":"P\u00e9rez-Ca\u00f1edo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2487-942X","authenticated-orcid":false,"given":"Jos\u00e9 Luis","family":"Verdegay","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2190-1337","authenticated-orcid":false,"given":"Eduardo Ren\u00e9","family":"Concepci\u00f3n-Morales","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,4,12]]},"reference":[{"key":"e_1_2_11_1_2","unstructured":"GrooverM. 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