Lenggoro with Drs. Hee-Dong Jang and Han-Kwon Chang (Aug. 2013) in Rare Metals Research Center, KIGAM (Korea Institute of Geoscience and Mineral Resources) in Daejeon, Korea. Daejeon is about 160 km from Seoul. Lenggoro had been stayed in KIGAM for two weeks in 2004. (KIGAM = 韓国地質資源研究院)
Lenggoro also had a seminar at Rare Metals Research Center.