SKKD No. 0009/UN25.5.1/TU.3/2020 " Study on the Effectiveness of the Poiicy hnplementation on Disaster Mitigation of lviount Semeru in Lumajang, Indonesia "
SKKD No. 0009/UN25.5.1/TU.3/2020 "Study on the Effectiveness of the Policy Implementation on Disaster Mitigation of Mount Semeru in Lumajang, Indonesia"