1. Investigation of power quality and luminous efficacy of commercial lamps in thailand
Ekkachai Chaidee, Kittisak Kumta, Chatchawan Phandoidan and Chatpon Chiangrang

2. Stability of orange oil-in-water emulsion prepared by multilayer membranes
Suwimon Ariyaprakai and Wu Jai Qi

3. Evaluation of chloride penetration in fly ash concrete under marine environment by ultrasonic wave
Wichian Chalee and Theerapong Chuapolb

4. Production cost analysis of rod in industry using activity-based costing system
Dussadee Buntam

5. Participatory development of the people in community forest management model- a case study of baan tha pha pao, tha pra duk sub-district, maetha district, lampun
Jukkaphong Poungngamchuen, Savichaya Supa-udomlerk Trirat and Nakarate Rungkawat

6. Geographic information system for managing community based tourism in chon buri province
Narong Pleerux

7. The effect of ultrasonic pretreatment on inulin extraction from jerusalem artichoke tuber
Chutima Wanpen, Budsaraporn Ngampanya, Suwattana Pruksasri, Phimchanok Jaturapiree and Pramote Khuwijitjaru

8. Heat transfer characteristics of oscillating heat pipes
Namphon Pipatpaiboon, Sampan Rittidech and Thanya Paramatthanuwat