Polapa, V. R.; Katili, D. N. O.; Nour Arriza Dwi Melani; Adam, J. Perbedaan Tehnik Posisi Miring Kiri Dan Penggunaan Birthing Ball Terhadap Kemajuan Persalinan: Studi Quasi Eksperimental: The Differences In The Left Lateral Position Technique And The Use Of A Birthing Ball On The Progress Of Labor: A Quasi-Experimental Study. IJM 2026, 9, 1-9.