Kartika, P., Rachmawati, D. K. dan Ngatmain, N. (2024) “Persepsi Pembelajaran Berbicara Elaborasi Kreatif Kritis Stimulasi Model Challenge Based Learning”, J-SES : Journal of Science, Education and Studies, 3(1). Tersedia pada: https://journal.um-surabaya.ac.id/J-SES/article/view/22672 (Diakses: 22 Juli 2024).