Vargas Vásquez, J. M., & Zúñiga Coudin, R. (2018). Graphic organizers as a teaching strategy for improved comprehension of argumentative texts in English. Universidad de Costa Rica.
Lua i Stíl Chicago (17ú heag.)Vargas Vásquez, José Miguel, agus Randolph Zúñiga Coudin. Graphic Organizers as a Teaching Strategy for Improved Comprehension of Argumentative Texts in English. Universidad de Costa Rica, 2018.
Lua MLA (9ú heag.)Vargas Vásquez, José Miguel, agus Randolph Zúñiga Coudin. Graphic Organizers as a Teaching Strategy for Improved Comprehension of Argumentative Texts in English. Universidad de Costa Rica, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.