“THE EFFECT OF PURPLE SWEET POTATO (IPOMOEA BATATAS) ON ELEVATED HEMOGLOBIN LEVELS IN PREGNANT WOMEN MID AND LATE PREGNANCY IN A WORKING AREA TABIR LINTAS HEALTH CENTER MERANGIN DISTRICT”. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS) 7, no. 2 (August 25, 2023): 164–170. Accessed August 27, 2025. https://ijnms.net/index.php/ijnms/article/view/465.