This study aims to analyze and explain the extent to which the implementation of the Halal Tourism Policy on Pulau Cinta Teluk Jering in Riau Province and the obstacles in implementing Halal Island Tourism policies in Riau Province. Halal tourism is a concept that integrates sharia values into tourism activities and provides facilities and services that comply with sharia provisions. The resear…
Solar energy is used as a potential alternative energy source, especially seen from the source that emits energy in very large quantities and takes a long time. Solar energy is converted into electrical energy using solar panels. The performance of the solar panel depends on the surface temperature of the panel because the semi-conductor material in the panel is very sensitive to temperature ch…