1. Optimization and validation of the hplc-based method for the analysis of gallic acid, caffeine and 5 catechins in green tea
Theerapong Theppakorn, Sirirung Wongsakul

2. The study of procurement problems in construction work in local construction institute- a case study of nan
Jensak Koshanin

3. Mechanical and thermal properties of biodegradable films from blends of poly (butylene adipate-co-terephthalate), polylactic acid
Tarinee Nampicth and Rathanawan Magaraphan

4. Purity enhancement of lactic acid containing in molasses broth by esterification and hydrolysis process
Patarapol Namthong, Prasong Wongwicha, Somjai Kajorncheappun-ngam

5. Happiness map- a case study of phichit and phitsanulok
Kampanart Piyathamrongchai, Pattana Rachawong, Janjira Payakpate

6. Factors affecting vocabulary learning strategies- a synthesized study
Nathaya Boonkongsaen

7. Application of the eco-industrial concept for environmental management in community, a case study of baan phu thai pattana
Wisakha Phoochinda

8. Approach of empowering reinforcement toward constant competencies of business operation from entrepreneur amidst border trade between thai-loa particularly north eastern region areas for preparation of asean community
Weerayut ThonThan

9. Observations on word re-ordering in two-syllable synonymous compounds
Sitthaa Phaholphinyo, Kanyanut Kriengket and Krit Kosawat

10. Factors affecting library use among library patrons at naresuan university
Walulee Bhodhirangsiyakorn, Thanaporn Prasertkul, Kwantrakul Klinsukon, Porntip Arjwichai, Rawiwan Sri-ampai

11. Basic knowledge of beekeeping
Paitoon Seanbualuang

12. Application of the eco-industrial estate for environmental management in community, a case study of bann phu thai pattana
Anamai Thiravirojana Thetkathuek