Journal of Science and Technology CRRU

ISSN 2821-9333 (Online)

Publication Frequency : 2 issues per year (January-June), (July-December).

Aims and Scope: Pure and Applied Sciences, Mathematics and Applied Mathematics

Announcements

Announcement: Publication Fee Rates (Effective from Vol. 1, 2027 onwards)

2026-09-09

📌 Announcement: Publication Fee Rates (Effective from Vol. 1, 2027 onwards)   Journal of Science and Technology, Chiang Rai Rajabhat University Would like to inform you of the fee rates/registration fees for publishing research articles and academic articles as follows: 1. Preliminary Article Screening Fee: 500 THB / article 2. Article Publication Registration Fee:    1) CRRU students/staff: 2,500 THB / article    2) Students/staff from other institutions and the general public: 3,500 THB / article

ขอแสดงความยินดีกับผู้ทรงคุณวุฒิดีเด่นในระดับวารสารทุกท่าน

2026-02-20

วารสารวิทยาศาสตร์และเทคโนโลยี มหาวิทยาลัยราชภัฏเชียงราย ขอแสดงความยินดีกับผู้ทรงคุณวุฒิดีเด่นในระดับวารสารทุกท่าน

 

วารสารวิทยาศาสตร์และเทคโนโลยี มหาวิทยาลัยราชภัฏเชียงราย ประกาศปิดรับบทความชั่วคราว

2026-02-03

วารสารวิทยาศาสตร์และเทคโนโลยี มหาวิทยาลัยราชภัฏเชียงราย ประกาศปิดรับบทความชั่วคราว ตั้งแต่วันที่ 3 กุมภาพันธ์ 2569 เป็นต้นไป

Current Issue

Vol. 5 No. 1 (2026): January - June

Journal of Science and Technology CRRU is an academic document with the objective of promoting and disseminating quality research articles and academic articles from faculty members, students and scholars both inside and outside the institution in Science and Technology, in the field of Physical Sciences (Chemistry, Environmental Science, Mathematics and other related fields), published twice a year (the first issue is from January to June and the second issue is from July to December).

Published: 2026-06-29

Research article

Development of Liquid Soap and Scrub Products from Lower-Grade Radish of Ban Sa Wang Community, Lopburi Province

Duangjai Boonkusol, Sukunya Payungsin

1-13

PDF (ภาษาไทย)

On the Solutions of the Exponential Diophantine Equation 3^x-n^y=2z^2

Jirapong Mavongsa, Suton Tadee

14-23

PDF (ภาษาไทย)

The Solution of the Diophantine Equation (4n-1)^x+67^y = z^2 When 4n-1 is Prime

Worachead Sommanee, Pattenan Wongnoi, Anuthida Jaiyen

24-32

PDF (ภาษาไทย)

Algebraic Properties of Endomorphism Monoids on Barbell Graphs

Bawornrat Somsri, Nirutt Pipattanajinda

33-42

PDF (ภาษาไทย)

Compilation and Development of Big Data System for Water Management: Supporting Policy Decision-Making and Disaster Risk Management for Floods and Droughts in the Phrom Hod River Basin and Sa Kaeo Special Economic Zone

Rattachon Angmanee, Chavalit Koweerawong, Phairin Meesri, Daorathar Weerapan

43-56

PDF (ภาษาไทย)

Development of Problem-Solving Ability on the Topic of Solubility of Substances of Using KWDL Technique for Grade 8 Students at the Demonstration School of Thepsatri Rajabhat University

Sasithon Mongkoltong

57-63

PDF (ภาษาไทย)

Small Radial of Stable Circular Orbit Perturbations and Effective Potential of a Charged Particle in a Central Force Field: f(r)=-k/r^2 - Eo/r^4 Using Polar Coordinates

Artit Hutem, Sanit Suwanwong

64-76

PDF (ภาษาไทย)

Raising the Level of Microbiology Laboratory Safety at Science Center Phetchabun Rajabhat University Using ESPReL Checklist

Sompian Sompian

77-90

PDF (ภาษาไทย)

Guidelines for Health Workforce Management During the Transition Period of Sub-district Health Promoting Hospital Transfer to the Kamphaeng Phet Provincial Administrative Organization

Pubes Chaipitak, Ratree Phorawat

91-101

PDF (ภาษาไทย)
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