“Study Of Types And Dosages Of Management On The Growth And Years Of Red Spinach (Amaranthus tricolor): Kajian Macam Dan Dosis Pupuk Kandang Terhadap Pertumbuhan Dan Hasil Tanaman Bayam Merah (Amaranthus tricolor)” (2023) Procedia of Engineering and Life Science, 4. doi:10.21070/pels.v4i0.1400.