The purposes of this research were to : 1) build an efficient solar energybrown rice milling machine for community 2) assess the quality of solar energy rice milling machine for community 3) produce electricity from solar energy 4) increase performance energy 5) study the satisfaction of the farmer with solar energy rice milling machine for community.
The objectives of this research article were to (1) to study the financial viability of Residential Solar Rooftop Investment in the Central Region of Thailand, (2) to examine the switching value test and analyze the risk of Residential Solar Rooftop Investment in the Central Region of Thailand. In this study, the net present value (NPV), internal project rate of return (IRR), and payback ...
