Piya, Wisarat, and Anitthan Srinual. 2019. “LEAF EPIDERMAL CHARACTERISTICS OF SOME SPECIES OF THE GENUS Diospyros L. IN THAILAND”. Research Journal Phranakhon Rajabhat : Science and Technology 15 (1). https://li01.tci-thaijo.org/index.php/PRRJ_Scitech/article/view/195905.