Ahmad Musonnifin Aziz, Farikha Alfi Syahriyah, Ahmad Ihya’ Ulumuddin, and Qurrota A’yuni, “ISOLASI FITOSTEROL DARI BAWANG MERAH (Allium cepa L.)”, JOURNAL OF RESEARCH AND TECHNOLOGY, vol. 5, no. 1, pp. 57–65, Jun. 2019.