Rahmawati, R., S. Sugiyo, and A. Sutoyo. “The Implementation of an Information Service With Android-Based Career Card Medium to Improve Students’ Understanding of Career Planning”. Jurnal Bimbingan Konseling, Vol. 11, no. 3, Oct. 2022, pp. 239-45, doi:10.15294/jubk.v11i3.66748.