salim, E.; Siregar, S. S. Y. .; Keliat, J. M. . Antibacterial Activity of Ethanol Extract of Red Spinach Leaves (Amaranthus Tricolor L.) Extracted Using Microwave-Assisted Extraction Against Pseudomonas Aeruginosa and Streptococcus Pyogenes. Int J Ecophysiol 2024, 6, 49-56.