"Dyah Yunitasari,Kouichi Yasuda","Fracture toughness measurement on anorthite ceramics by ball on three balls method","The 6th Int'l Conf. on the Characterization and Control of Interfaces for High Quality Advanced Materials (ICCCI2018) and the 54th Summer Symposium on Powder Technology","Abstract book of the 6th Int'l Conf. on the Characterization and Control of Interfaces for High Quality Advanced Materials (ICCCI2018) and the 54th Summer Symposium on Powder Technology",,"Vol. 1","No. P-B-09","pp. 228",2018,July