Sanit Ratanabhumma. 1975. Effects of different fertilizer and water combinations on predator populations, fleahopper population insect damage, fruit production, and yield of cotton in Oklahoma. Graduate Collge, Oklahoma State University;

Sanit Ratanabhumma. Effects of different fertilizer and water combinations on predator populations, fleahopper population insect damage, fruit production, and yield of cotton in Oklahoma. . Oklahoma:Oklahoma State University, 1975.

Sanit Ratanabhumma. (1975) Effects of different fertilizer and water combinations on predator populations, fleahopper population insect damage, fruit production, and yield of cotton in Oklahoma . Oklahoma State University/Oklahoma.