Ramadhani, R., E. E. Napitupulu, and P. Sitompul. “ANALYSIS OF STUDENT RESPONSE TO THE IMPLEMENTATION OF THE ETHNO-FLIPPED CLASSROOM MODEL ASSISTED BY COLLABORATIVE CLOUD CLASSROOM”. Jurnal Pendidikan Matematika (JUPITEK), Vol. 6, no. 1, June 2023, pp. 1-8, doi:10.30598/jupitekvol6iss1pp1-8.