Ramadhan, J. ., and M. Abror. “The Effect of Concentration and Organic Fertilizer on Pakcoy Plant Growth and Yield With Wick Hydroponic System: Pengaruh Konsentrasi Nutrisi Dan Pupuk Organik Cair Terhadap Pertumbuhan Dan Hasil Tanaman Pakcoy Dengan Wick Sistem Hidroponik”. Procedia of Engineering and Life Science, vol. 2, no. 2, June 2022, doi:10.21070/pels.v2i2.1271.