Wulandari R. Education on the Benefits of Gymnastics Postpartum to Involution Uteri on Postpartum Mothers in Aek Haruaya Village, Portibi District, North Padang Lawas Regency in 2023. IJCS [Internet]. 2024 Feb. 12 [cited 2024 May 9];3(1):35-9. Available from: https://ejournal.ipinternasional.com/index.php/ijcs/article/view/784