Artasthana, G. A., and A. A. I. N. Marhaeni. “The Relationship Between Parental Involvement and Students’ English Achievement at 8th Grade Students in SMP Negeri 1 Singaraja”. Journal of Psychology and Instruction, vol. 1, no. 3, Nov. 2017, pp. 170-8, doi:10.23887/jpai.v1i3.12579.