Piya mat range Wah new study [1]. some of the factors that affect the quality of Robusta coffee beans and reduce drying time. This is the rainy season make agriculture Tak to coffee beans by the Sun.
Piyamas Wanit range [1] studied some factors that affect the quality of Robusta coffee beans and reduce drying time. The rainy season makes farming a difficult coffee beans dried by the sun. Coffee beans that have resulted in uneven quality and low quality is not standard.
Piya mat, the 1 wanit [] to study some factors that affect the quality of the coffee bean robusta and reduce the period of drying The rainy season makes agricultural problems exposed by using sunlight, coffee beans