Indria Nofitri, dkk. “The Students’ Difficulties In Speaking English at Eleventh Grade Of PPTQ Muallimin Muhammadiyah Pakan Sinayan”. Al-Afkar: Jurnal Pemikiran Dan Pendidikan Islam, vol. 2, no. 2, Juli 2026, hlm. 287-9, doi:10.0111/afkar.v2i2.211.