Swara, H. Y., S. ., and P. D. Yulianti. “LAYANAN BIMBINGAN KELOMPOK DENGAN TEKNIK SELF-MANAGEMENT TERHADAP PROKRASTINASI AKADEMIK”. Indonesian Journal of Educational Research and Review, vol. 3, no. 1, May 2020, pp. 77-85, doi:10.23887/ijerr.v3i1.24885.