Page 175 - The International Journal of the Royal Society of Thailand Vol.XIII-2021

The International Journal of the Royal Society of Thailand
The International Journal of the Royal Society of Thailand
Volume XIII – 2021
Volume XII, 2020

class-2 and 10 letters of the Low Class-2. All of the High Class-2 letters are the same
• The paper should be submitted to the Editorial Board in three copies

as the Low Class-2 letters but lead with the letter ห-.
and an electronic file as a text file (e.g. doc).
• Figures should be numbered and stored in separate files with legends
included in the main text file.
Table 6: the High Class-2 and the Low Class-2 consonant letters
• Either English or American spelling can be used but should be

consistent for the entire article.
voiced nasal semi-vowel
Article Structure
Each article should contain the following : 5 6 7
4
1
2
3
• Title ŋ n m y w r l
• Short title for page headings
หม
หน
หง
High-1 • Authors and their affiliations หญ-หย หว หร หล
ญ-ย
ง
ณ-น
ม
Low-2 • A concise abstract (not more than 300 words)ว ร ล-ฬ
• Key words
• Main text divided into sections e.g. Introduction, Materials and
5. Consonant letters and their sounds (from past to present)
Methods, Results and Conclusion
• References (of all articles cited in the text)
The Thai language has 21 consonants but consists of 44 consonant
• Table and Figure captions (numbered in sequence as they appear in
letters. If we are to include all the 8 Low Class -2 consonants that lead with
the text)
ห- which are หง-, หญ-, หน-, หม-, หย-, หร-, หล-, หว- and the extra อย-, the total
Abstract
number of Thai consonant letters will be 53. Such a number of letters seem a lot
The abstract should be concise and informative, not more than 300 words.
compared to the 21 consonants of Modern Thai. In all these letters there are only

It should not only indicate the general scope of the article but also state the main
5 (ก, จ, บ, ป, อ) which respect the principle of one letter representing one
results and conclusions.
consonant. The rest are more than one letter, ranging from 2 to 6, representing one
Ethical Guidelines
consonant as follows:
Experimental investigation papers must state in the Materials and
Methods section that
1) informed consent was obtained from all adult participants and from
parents or legal guardians of minors, including the name of the appropriate
institutional review board having approved the project;

2) the maintenance and care of experimental animals comply with the
Thai National Institute of Health Guidelines for the humane use of laboratory
animals or the equivalent country authority or agency;
3) approval is obtained from the relevant ethical committee.

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