Published: 2019-12-27

Editorial

Asst. Prof. Dr. Prasong Kessaratikoon

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Formulation of Amomum biflorum Jack Air Freshener Gel

T้haweeporn Keereekoch, Thawatchai Srisuwan, Pimchanok Kaewpitak, Somrutai Dangnam, Sanan Subhaddhirasakul

15-21

Performance Comparison of Automatic Para Rubber Tapping Machine and Jeh-bong Knife

Ekasit Anancharoenwong, Nongyao Mueangdee, Narissara Mahathaninwong, Piyanart Kongtim, Sutida Marthosa

22-28

Convergence Theorem of Common Fixed Points for G-Nonexpansive Mappings

Siwaporn Saewan, Chantawan Noisri, Preedaporn Kanjanasamranwong

29-36