1. Influence of fineness of high calcium fly ash on properties of geopolymer paste
Sakonwan Hanjitsuwan Tanakorn Phoo-ngernkham and Prinya Chindaprasirt

2. Effects of tomato variety and lycopene extraction methods on physicochemical properties of tomato powder
Kandawadee Nochai and Jirapa Pongjanta

3. Forecasting model for the retail prices of gasohol 95 in bangkok and peripheral areas
Warangkhana Keerativibool

4. Utilization of by-products derived from the virgin coconut oil manufacturing process for soap preparation
Sudarut Tripetchkul, Kanokwan Pundee and Saengchai Akeprathumchai

5. Development of packages for ready-to-eat chili paste products
Supaporn Apirattananusorn and Krittabhart Chinabhark

6. Service quality of thailand and lao pdr logistics service providers
Pakawat Intarawongchot, Papusson Chaiwat, Thananya Wasusri, Taweesak Kritjaroen and Jirachai Buddhakulsomsiri

7. A feasibility study of power generation using biogas from cellulosic materials
Kultida Sawangpol, Warunee Tia and Pawinee Chaiprasert

8. Potential of ecosystem phosphorus storage in ban nong tao community forests, mae wang district, chiang mai province
Taparat Seeloy-ounkeaw, Soontorn Khamyong, Niwat Anongrak and Kriangsak Sri-ngernyuang