Prihastanti, E. and Nurchayati, Y. 2020. Differences in leaf area, trichome density, and xylem structure between the two types of <em>Theobroma cacao</em> l. cultivation: With or without shade plants. International Journal of Plant Biology. 11, 1 (Nov. 2020). DOI:https://doi.org/10.4081/pb.2020.8790.