Ara, Cahyati, et al. “Analysis of the Influence of Peer Socialization on Students’ Language Impoliteness at SMPN 50 Batam: When Social Environment Shapes Rude Speech”. Journal of Practice Learning and Educational Development , vol. 6, no. 1, Jan. 2026, pp. 848-56, doi:10.58737/jpled.v6i1.979.