R. Muhammad Ali, P. Narpaduita, M. Iqwan Sanjani, U. Khaerati Syam, D. Hastuti, and M. Kunta Biddinika, “From struggles to strategies: Indonesian students’ use of e-portfolios in public speaking courses through the lens of self-regulated learning and sociocultural theory”, jees, vol. 10, no. 2, pp. 135–144, Oct. 2025.