Widayat, Edy, Ardianik Ardianik, and Sucipto Sucipto. 2019. “Community Partnership Program (PKM) Research Statistics for Teachers in NU Plus Vocational School, Sidoarjo”. Kontribusia : Research Dissemination for Community Development 2 (1):37-40. https://doi.org/10.30587/kontribusia.v2i1.780.