Z. Andrivat, A. Hasanah, B. Badrudin, and D. Sadiah, “Application Of the Expository Learning Method In Understanding The Perception Of Hijaiyah Letter Forms In ’Mild Mentally Retarded’ Students at SLB YPLB-LB Hegar Asih Cipaganti Bandung”, J.Gen.Educ.Humanit., vol. 5, no. 2, pp. 3187–3200, May 2026.