APA Citation

Miranda Calderón, L. A., & Bonilla Ugalde, N. G. (2011). Proposal for Academic Achievement and Permanence of Students in the 7th Grade (1). Universidad Nacional, Costa Rica.

Chicago Style Citation

Miranda Calderón, Luis Alfredo, and Nury Ginnette Bonilla Ugalde. Proposal for Academic Achievement and Permanence of Students in the 7th Grade (1). Universidad Nacional, Costa Rica, 2011.

MLA Citation

Miranda Calderón, Luis Alfredo, and Nury Ginnette Bonilla Ugalde. Proposal for Academic Achievement and Permanence of Students in the 7th Grade (1). Universidad Nacional, Costa Rica, 2011.

Warning: These citations may not always be 100% accurate.