Batubara, I., Asoka, S. F., Sumarni, E., Suhardiyanto, H., Solahudin, M., Widodo, S., Supriyanto, S., Rohaeti, E., Wahyu, Y., Laumal, F. and Erniati, E. (2023) “Secondary Metabolites and Antioxidant Activity of Purwoceng (Pimpinella Pruatjan) Root Extracts from Various Hydroponic Planting Techniques”, Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 12(3), pp. 641–652. doi: 10.23960/jtep-l.v12i3.641-652.