Euis Asyiah, Anis Zohriah, and Anis Fauzi, “Relational Marketing Model of Education Services Service Marketing Triangle (SMT) in Improving Education Services ”, didaktika.j.kep, vol. 13, no. 3 Agustus, pp. 3979–3990, Aug. 2024, doi: 10.58230/27454312.835.