Malikha, N. Z., & Prisusanti, R. D. (2019). The Effect of Giving Purple Sweet Potato Leaves Toward The Involution of Mother in The Posture and Sufficient Mother Breast Milk On Babies 0-6 Months. Journal Of Nursing Practice, 3(1), 96–101. https://doi.org/10.30994/jnp.v3i1.70