Suryadarma, Y., and A. M. Baiquni. “The Intensive Language Teaching Program in Teaching Arabic Language to The Islamic Center Group “Abdullah Ghanem Al-Shamael” Ponorogo Held at the Darussalam Gontor University”. EDUCAN : JURNAL PENDIDIKAN ISLAM, vol. 2, no. 2, Aug. 2018, pp. 163-77, doi:10.21111/educan.v2i2.3555.