WIDAYATI, W., USMAN, I., MULIDDIN, F., IDO, I., & ABDULLAH, W. G. Mining Phenomenon of Agate Gemstone to Change of Environment, Social and Economic at Southeast Sulawesi Province. Link to Article
WIDAYATI, W., USMAN, I., MULIDDIN, F., IDO, I., & ABDULLAH, W. G. Mining Phenomenon of Agate Gemstone to Change of Environment, Social and Economic at Southeast Sulawesi Province. Link to Article