Front & Back Covers

Inner Cover & Objectives of JSSE

ก-ข

Editorial Board

ข

Author Guideline and Manuscript Preparation

ง-ฉ

Speech of the Editor

ช

Content

ซ-ฌ

The Development of Natural Dye from Plants in Anthocyanin group for Staining Plant Tissue

1-11

Wongwat Web Application Development: Thai temples tour, pursuing Dharma

12-22

Species Diversity of bird in Ubon Ratchathani University

23-38

University student dropout prediction improved by feature selection with Multilayer Perceptron Neural Network

39-48

Embryo Axis Culture of Hopea thorelii Pierre, a Critically Endangered Species

49-57

Detection of Spike Protein Mutation in SARS-CoV-2 Variants of Concern with Support Vector Classification over (d,r,p)-Layer Coordinate System

58-71

Structural and optical manipulation of quaternary-alloyed ZnxHg1-xSeyS1-y nanocrystals based on atomistic tight-binding theory

72-84

Development and validation of demethylwedelolactone and wedelolactone by HPLC-PDA

85-96

A Simple Model from Rubber to Investigate Snell’s law

97-106

Developing of science learning activities via steam education approach in the topic of “Let’s Design Your Zoo” to enhance creative thinking skills of primary school students

107-123

The development of the scientific process skills using the manual of artifacts from local materials by STEM Education approaches under the outbreak of the Coronavirus 2019 (COVID-19)

124-140

A comparative study of redundant constraints identification methods for Linear Programming problems

141-147

STEM identify

Another factor that will promote achievement of STEM education in Thailand

148-157

Review on the development of simple paper-based and thread-based devices for chemistry classrooms

158-171

Issue and challenge of teaching science: Successful online-learning management

172-180

Author Index