Husna PH, Purwandari KP, Mawarni S, Sundari S, Wardani IK, Maryati M. The Effectiveness of Pregnant Women Class to Increase Knowledge and Hemoglobin Level. J Matern Child Health [Internet]. 2020 Feb. 18 [cited 2024 Apr. 29];5(1):49-56. Available from: http://www.thejmch.com/index.php/thejmch/article/view/321