The Relationship Between Enteral and Parenteral Nutrition on Body Weight, Incidence of NEC, Sepsis and Length of Care for Preterm Infant in Dr. Soetomo General Hospital Surabaya, Pratiwi, Aldila, Utomo Martono Tri, Etika Risa, Handayani Kartika Darma, and Angelika Dina , Pharmacognosy Journal, March 2023, Volume 15, Issue 1, p.86-89, (2023)