Zeist, André Ricardo, et al. “Plastochron and Yield of Physalis Peruviana L. Grown in Different Environments and Transplanting Dates”. Semina: Ciências Agrárias, vol. 41, no. 4, May 2020, pp. 1151-64, doi:10.5433/1679-0359.2020v41n4p1151.