1. Nust.28.01.20-editorial board

2. Nust.28.01.20-content

3. Nust.28.01.20-editorial note

4. An assessment of life cycle greenhouse gas emissions for day spa services in eastern thailand a case study in chonburi, rayong, and trad provinces
Suchada Ukaew, Dondej Tungtakanpoung, Srisuda Chongsithiphol

5. The potential of activated carbon production from leucaena leucocephala charcoal and application in melanoidin removal
Bang-orn Insoongnoen, Jareeya Yimrattanabovorn, Boonchai Wichitsathian

6. Impact of adjustable external horizontal shading slats on indoor visual comfort in tropical climate
Simeon Nyambaka Ingabo, Pipat Chaiwiwatworakul, Vichuda Mettanant

7. The development of soil moisture control system based on wireless communication technology for off-season durian production in nopphitam district, nakhon si thammarat province, thailand
Wichan Pettong, Salila Vongkrachang

8. A triterpenoid and steroids from the twigs of millettia utilis dunn. and their antioxidant activities
Thanatip Ruksilp

9. Contaminated heavy metals in rice of surin province, thailand
Napaporn Kheangkhun, Jutamart Sringam, Waraporn Kumpinit, Amnauy Wattanakornsiri, Pongthipun Phuengphai

10. The glyphosate (roundup) fate in aquatic environment, adverse effect and toxicity assessment in aquatic organisms
Chutima Thanomsit, Samnao Saowakoon, Amnuay Wattanakornsiri, Jakkaphun Nanuam, Witchuda Prasatkaew, Phochit Nanthanawat, Patcharee Mongkolvai, Wanpen Chalorcharoenying

11. Removal of methylene blue dye from aqueous solution by adsorption on leonardite char
Khaunjit Hemaviboon, Jintana Klamtet

12. Equilibrium, kinetics, and thermodynamic studies concerning the removal of 2–chlorophenol using chemically carbonized rice husk waste
Duangdao Channei, Auppatham Nakaruk, Wilawan Khanitchaidecha, Panatda Jannoey, Sukon Phanichphant

13. Evaluation of probiotic properties of lactic acid bacteria isolated from fermented fish
Chayaphon Sriphannam, Aksarakorn Kummasook

14. Nust.28.01.20-principles