“KH Hasyim Asy’ari and the Teacher Code of Ethics: Thought Study KH. Hasyim Asy’ari on Ethics Education and Its Relevance to Modern Education in Indonesia”. Evaluasi: Jurnal Manajemen Pendidikan Islam, vol. 4, no. 1, Mar. 2020, pp. 114-42, https://doi.org/10.32478/evaluasi.v4i1.359.