Zainudin, Achmad, and M Abror. “The Effect of Long – Irradiation of LED Lights on The Growth and Quality of Mustard Pakchoi Plants on Hydroponic Methods of Wick Systems: Pengaruh Lama - Iradiasi Lampu LED Terhadap Pertumbuhan Dan Kualitas Tanaman Sawi Pakchoi Pada Metode Hidroponik Sistem Sumbu”. Procedia of Engineering and Life Science, vol. 1, no. 1, Apr. 2021, doi:10.21070/pels.v1i1.879.