Chawalit Hongprayoon. 1992. Urea transformations in flooded soil. Department of Agronomy, Louisiana State University;
Chawalit Hongprayoon. (1992) Urea transformations in flooded soil . Louisiana State University/Louisiana.
Chawalit Hongprayoon. Urea transformations in flooded soil. . Louisiana:Louisiana State University, 1992.
Chawalit Hongprayoon. (1992) Urea transformations in flooded soil . Louisiana State University/Louisiana.