Purba LP, Laurence RSA, Christine M. Peningkatan Kualitas Layanan Program Pemberian Permakanan Lanjut Usia di Kelurahan Semolowaru Surabaya. JBS [Internet]. 2020 Dec. 1 [cited 2025 Dec. 6];4(2):33-9. Available from: https://ejournal.uin-suka.ac.id/saintek/jbs/article/view/1734