Rós, A. B., Araújo, H. S. de, & Narita, N. (2013). Use of slow-release fertilizer on the production of sweet potatoes plantlets in tray. Semina: Ciências Agrárias, 34(6), 2667–2674. https://doi.org/10.5433/1679-0359.2013v34n6p2667