1. Selection of ura3 auxotrophic mutants with the highest transformation efficiency from the yeast kluyveromyces marxianus ubu-1-3
Patcharaporn Sommad, Charida Pukahuta and Sanom Nonklang

2. Structural and optical properties of fe and sb-doped tin dioxidefilms prepared by the spray pyrolysis method
Jumnean Putpun and Suwat Pabchanda

3. Longitudinally aligned banana slicing machine
Sttiboon Siripornakarachai, Wuttisak Kavinun and Ariya Santaveesuk

4. Effects of chemical fertilizer use on khao phonengam 5 s growth and grain yield of paddy soil in the southern lao pdr
Inpang Duangwongsa, Manas Losirikul and Suwat Terapongtanakorn

5. Adsorption of azo dyes using white rot fungi, lentinus squarrosulus mont. ls-ya and lentinus polychrous lev. lp-pt-1 in broth
Sukrita Booncharoen, Pranorm Saejueng and Charida Pukahuta

6. Determination of carbamate insecticides in chili using chromatographic and colorimetrictechniques
Supaporn Bangprom and Suwat Pabchanda

7. Design of experiment to study the effects of sodium hydroxide treatment of polyvinylidene fluoride on chitosan coating layer stability
Vorapat Ketukay, Ampai Chanachai and Ratana Jiraratananon

8. Design and construction of switching power supply fora carbon dioxide laser
Thawatchai Nimpaya and Pichet Limsuwan