LULUS HARDIYANTI; ANINDYA KHAIRUNNISA ZAHRA; FARA AZMIARRIZQI; AMELIA NUR KHASANAH; SHEILA AGUSTINA; ARDIYUGA PRATITAPRAYA; PUGUH OKTAVIAN. Association between undernutrition and language delay in children under 5 years old: a systematic review. Indonesian Journal of Biomedicine and Clinical Sciences, v. 57, n. 2, 3 Jun. 2025.