Purnamasari, F. , Sukartono, Rahmawati, F.P. , Minsih and Widyasari, C. 2022. Social Harmony of Wonokerto Village Society as a Source of Politeness Learning for Elementary School Students. Jurnal Penelitian dan Pengembangan Pendidikan. 6, 3 (Nov. 2022), 473–482. DOI:https://doi.org/10.23887/jppp.v6i3.53869.