1. A comparative study of the efficiency of f-test, bartlett's test, and levene's test for testing homogeneity of variance in case of two populations by using r program
Autcha Araveeporn, Kasipat Shotikonvorakun, Jindarat Phengpun, Jadsada Buttama and Panthima Nakklam

2. The opinions of students on instructional efficiencies of teachers in faculty of science, king mongkut's institute of technology ladkrabang
Charin Pothichaiya

3. Forecasting model for sales volume of crude palm oil in thailand
Warangkhana Keerativibool

4. Factors affecting decistion to purchase ordinary life insurance among staff of faculty of science, king mongkut's institute of technology ladkrabang
Nomchit Kittichotipanit, Kanyarat Treesirichaiwat, Jirapa Khomduean and Jutamat Kranjuk

5. Isolation of plant-growth-promoting bacteria from rice (oryza sativa)
Chokchai Kittiwongwattana, Dusanee Thanaboripat, Chamroon Laosinwattana, Prommart Koohakan, Nonglak Parinthawong and Chitti Thawai

6. Effect of sucrose concentration and osmotic dehydrated temperature on quality of dried osmotic dehydrated coconut
Prawta Chantaro, Supannikar Sribuathong, Ratchanee Chareon and Parisut Chalermchaiwat

7. Biodiesel production from beef fats by based-catalyzed transesterification reaction
Usarat Thawornchaisit, Chalalai Chanyod, Patamaporn Intaprom and Watanaruedee Euengmongkhonchai