S. Khotimah, Meutia Karunia Dewi, and Siti Aenandari Hadatul Aysi, “Analysis of Productivity Levels of Human Capital Investment in the Perspective of Education for Jenderal Soedirman University Graduated”, didaktika.j.kep, vol. 13, no. 1, pp. 313-322, Feb. 2024.