Nguyễn, T.Đ. 2023. “ON TEACHERS AND FRIENDS”: ANNOTATED TRANSLATION OF CHAPTER FIVE FROM NAM-SƠN TÙNG-THOẠI 南山叢話 (1879) BY NGUYỄN ĐỨC-ĐẠT 阮德達 (1825-1887). Thang Long Journal of Science: Van hien and Heritage. 4, 10 (Dec. 2023), 35–40.