“ The Effect of Controlled Release Fertilizer and Earthworm Compost on Chamomile (Matricaria Chamomilla L.) Yield”. Revista Brasileira de Plantas Medicinais 3, no. 1 (November 17, 2000): 61–65. Accessed September 26, 2025. https://rbpm.emnuvens.com.br/revista/article/view/294.