Wulansari, Dea Ayu, Sri Winarni, and Handy Lala. 2021. “The Effect Of Health Promotion Media Pocket Books On Adolescents Understanding Of Reproductive Health In Islamic Senior High School 1 Of Blitar City”. Jurnal Pendidikan Kesehatan (e-Journal) 10 (2):227-34. https://doi.org/10.31290/jpk.v10i2.2566.