Zhang, Xu, Lijun Gao, Zhiyong Zhao, and Biwu Ren. 2020. “Modeling and Analysis of Greenhouse Environmental Factors in North China Based on Path Analysis and Stepwise Regression”. Semina: Ciências Agrárias 41 (6):2587-96. https://doi.org/10.5433/1679-0359.2020v41n6p2587.