Sulastri, S, Mae Sri Hartati Wahyuningsih, and Elsi Dwi Hapsari. 2018. “Efek Pemberian Aromaterapi Jeruk Masam Terhadap Intensitas Nyeri Pasca Bedah Sesar”. Prosiding University Research Colloquium, February, 227-35. https://repository.urecol.org/index.php/proceeding/article/view/128.