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1. All manuscripts should be submitted with the understanding that they are original, unpublished works and are not being submitted for publication elsewhere.
2. Manuscripts should be submitted in Times New Roman 12, double space with A4 margin, with references on separate pages and a maximum length of 30 page sincluding tables and figures.
3. The first page of the manuscript should contain the following information: (1) The title bold typeface with Times New Roman 15 font; (2) The name and institutional affiliation of the author(s), and (3) An abstract in English Times New Roman 12, and in Thai with Angsana New 16, each not exceeding 200 words, accompanied by a list of three to five keywords.
4. The bibliography or reference list should appear at the end of the text. The reference list should include every work cited in the text. Please ensure the dates, spelling and titles used in the test are consistent with those listed in the references. This journal uses the APA reference system.
5. Authors are responsible for editing their own manuscript prior to submission.
6. Attached to all submitted articles should be a 50-word biodata including the author’s present academic or non-academic position, and address, a telephone number and an e-mail address. Authors will be expected to submit their revised manuscript in a timely manner.
7. The detailed submission guidelines can be found at www.tci-thaijo.org/index.php/jsel
8. Our journal adopts an online submission system. To submit your manuscripts please proceed to the register page: https://www.tci-thaijo.org/index.php/jsel/submissions

9. Style Sheet Template  Please use the APA 6th Edition reference style. As a rule of thumb, it is safest to follow the style sheet carefully. https://www.tci-thaijo.org/index.php/jsel/issue/view/14745




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