Menamo M, Wolde Z. Effect of Cyanobacteria Application as Biofertilizer on Growth, Yield and Yield Components of Romaine Lettuce (Lactuca sativaL.) on Soils of Ethiopia. ASRJETS-Journal. 2013;4(1):50-58. Accessed September 15, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/752