Muslim, M., Giatman, M., Muskhir, M., Effendi, H. and Setiawan, D. 2022. Information Technology Development in Alumni Search: Validity Analysis. INVOTEK: Jurnal Inovasi Vokasional dan Teknologi. 22, 3 (Oct. 2022), 139-148. DOI:https://doi.org/https://doi.org/10.24036/invotek.v22i3.1069.