Yuandira, M.T. et al. 2021. PENERAPAN AROMA TERAPI LAVENDER TERHADAP PENURUNAN TINGKAT NYERI IBU BERSALIN KALA I: THE APPLICATION OF LAVENDER AROMA THERAPY TO REDUCE THE LEVEL OF PAIN IN MATERNAL I. Bunda Edu-Midwifery Journal (BEMJ). 4, 1 (Feb. 2021), 18–22.