Jadila: Journal of Development and Innovation E-ISSN: 2723-6900 in Language and Literature Education P-ISSN: 2745-9578 Publisher: Yayasan Karinosseff Muda Indonesi Volume 4 Number 1, 2023 Page 195-200 195 The Realization of Cohesion Devices Applied in Students’ Business Letters Ni Putu Evi Wahyu Citrawati Fakultas Ilmu Budaya Universitas Udayana Gede Eka Wahyu Institut Pariwisata dan Bisnis Internasional Corresponding author: eka.stpbispb14@gmail.com Abstract The study aims to discover the students’competency in writing text particularly business letters in English. The study is tried to find out the cohesion devices used by the students’. The participants were the six semester of the Tourism and Business Institut. The number of participant were 50 students. They have got several treatment how to write business letter in English. After the treatment, the researcher collect and analyse data. Qualitative method is used in analysing data. The result shown several t ypes of cohesion applied in students’ writing such as grammatical cohesion; pronoun, substitution, conjunction and lexical cohesion; synonimy, antonimy, and superordinate. Keywords: Writing Text, Business Letter, Cohesion Device. A. Introduction Discourse is combine of several sequential sentences that interconnected to provide a clear meaning for readers and listeners. Excellent discourse whether orally and in text must have cohesiveness and neatness between sentences so that readers and listeners can understand the message conveyed in the discourse. Five elements create coherence and neatness in a discourse (Halliday, 2013). The five elements are reference, ellipsis, substitution, lexical cohesion, and conjunction. Increasing information technology for the community has a significant impact, one of them is electronic mail services to society (Thomas & Merier, 2013). The present of electronic mail has brought changes in the culture of communication where long-distance verbal communication can be carried out quickly. The implemention of text or discourse in business letters is not like writing in an articles where the language is shorter, but the message conveyed is clear. Based on the background above, the researcher intends to examine cohesion markers in business letters written by students of the International Tourism and Business Institute. Business letters is written by students in the form of electronic mail when responding to room