Hasyim, S., and A. Nuryatin. “Educational Values in the Novel Trilogy “Sepatu Dahlan, Surat Dahlan, Dan Senyum Dahlan” by Khrisna Pabichara”. Seloka: Jurnal Pendidikan Bahasa Dan Sastra Indonesia, Vol. 7, no. 2, Aug. 2018, pp. 122-30, doi:10.15294/seloka.v7i2.24625.