Salim, R. M. A., and S. Safitri. “Parents As Teachers: The Influence of Internal and External Factors on Parenting Style Differences”. Jurnal Psikologi Teori Dan Terapan, vol. 10, no. 2, Mar. 2020, pp. 95-104, doi:10.26740/jptt.v10n2.p95-104.