Malikha, Nur Zad, and Retno Dewi Prisusanti. 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.