FFL: Fine-grained Fault Localization for Student Programs via Syntactic and Semantic Reasoning. - Thanh-Dat Nguyen; Thanh Le-Cong; Duc-Minh Luong; Van-Hai Duong; Xuan-Bach Dinh Le 001; David Lo 001; Quyet-Thang Huynh (ICSME, 2022)