Evaluasi Pencahayaan Pada Gedung Pustaka Wilayah Provinsi Riau

ABSTRACT The lighting of the Soeman H.S library is a library that relies on a natural lighting system as its lighting, the lighting in the Soeman H.S library is also assisted with artificial lighting to support the lighting needs of the Soeman H.S library. The library has been operating for about 13 years, so artificial lighting is no longer effective if maintenance is not carried out to meet …