MOOLPHUERK, N.; PATTANAGUL, W. Pretreatment with different molecular weight chitosans encourages drought tolerance in rice (Oryza sativa L.) seedling. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, v. 48, n. 4, p. 2072-2084, 22 Dec. 2020.