Information System for Orphan Data Management in Karangsari Village, Kalimanah District, Purbalingga RegencyLasmedi Afuan, Swahesti Puspita Rahayu, Bekti Afif Ginanjar, Nurul Hidayat and Ipung PermadiE3S Web Conf., 448 (2023) 02027DOI: https://doi.org/10.1051/e3sconf/202344802027