Essential readings on vocabulary instruction - Graves, Michael F.; Stahl, Steven A.; Edwards, Elizabeth Carr; White, Thomas G.; Shearer, Brenda A.; Baumann, James F.; Sowell, Joanne; Scott, Judith A.; Graves, Michael F.; Dougherty Stahl, Katherine A.; Watts-Taffe, Susan; Nagy, William E.; et al. (IRA, 2009)