Papers available in English:

1. Leffa, V. J. Producing open educational resources through massive collaboration. In: International Conference on Information Communication Technologies in Education, 2015, Cós (Grécia). ICICTE 2015 Proceedings. Southampton, Inglaterra: Southampton Solent University, 2015. p. 182-191
2. Leffa, V. J. Creating activities from adaptive learning objects. In: WorldCALL 2013 Conference, 2013, Glasgow, Escócia. Conference Procedings. Glasgow: University of Ulster, p. 175-177.
3. LEFFA, V. J. . Authorship in Materials Design for Language Teaching. In: Gláucia Renate Gonçalves; Sandra Regina Goulart Almeida; Vera Lúcia Menezes de Oliveira e Paiva; Adail Sebastião Rodrigues-Júnior. (Orgs.). New challenges in language and literature. 1 ed. Belo Horizonte: Faculdade de Letras da UFMG, 2009, v. 1, p. 149-165.
4. LEFFA, Vilson. J. Vygotsky and the ciborgue. In: SCHETTINI, Rosemary H.; DAMIANOVIC, Maria Cristina; HAWI, Mona M.; SZUNDY, Paula Tatianne C.. (Orgs.). Vygotsky: uma revisita no início do século XXI.  São Paulo: Andross Editora, 2009,  p. 131-155.
5. LEFFA, V. J. Call as action. In: Rita de Cássia Veiga Marriott; Patricia Lupion Torres. (Eds.). E-learning methodologies for language acquisition. 1 ed. Hershey, PA: IGI Global, 2009, v. 1, p. 39-52 (Abstract only)
6. LEFFA, J. Vilson. The role of exercises in computer-mediated language learning. In: INFORMÁTICA 2007: XII CONVENCIÓN Y EXPO INTERNACIONAL, 12, 2007, Havana. Las Tecnologias de la información y las comunicaciones y su contribución a un mundo mejor. Havana: Ministério de la Informática y las Comunicaciones de la República de Cuba, 2007. 1 CD.
7. LEFFA, V. J. Defining a CALL activity. Linguagem em (Dis)curso. Tubarão: , v.5, n.2, p.337 - 355, 2005.
8. LEFFA, Vilson J. On becoming digitally literate: the production of computer-mediated materials by language teachers. In: CONVENÇÃO DA ASSOCIAÇÃO DOS PROFESSORES DE INGLÊS DO RIO GRANDE DO SUL, 2005. Porto Alegre,Teaching and Learning Processes. Porto Alegre: PUC-RS, 2005. CD
9. LEFFA, Vilson J. A look at students’ concept of language learning. Trabalhos em Lingüística Aplicada, Campinas, n. 17, p. 57-65, 1991.
10. LEFFA, Vilson Jose. Teaching English as a multinational language. The Linguistic Association Of Korea
    Journal, Seul, Coréia, v. 10, n. 1, p. 29-53, 2002.
11. LEFFA, Vilson Jose. Students As ESP Teachers; An Investigation Of Successful Students' Assumptions
    On Reading And Methodology. In: LEFFA, Vilson J. (Org.). Autonomy in language learning.
    PORTO ALEGRE: Editora da UFRGS, 1994, p. 265-272.
12. LEFFA, Vilson J. Writing for the scientific community: The challenge of being original under constraint. Anais. XIV Encontro Nacional de Professores Universitários de Língua Inglesa (ENPULI). Belo Horizonte: 1999, p. 337-344. 
13. LEFFA, Vilson J. Textual constraints in L2 lexical disambiguation. System, Great Britain, v. 26, n. 2, p. 183-194, 1998.
14. LEFFA, Vilson J. Clause processing in complex sentences. In: RUBIO, Antonio; GALLARDO, Natividad; CASTRO, Rosa; TEJADA, Antonio (Orgs). Proceedings of the First International Conference on Language Resources and Evaluation. Granada, Espanha, 1998, v. 2, p. 937-943.
15. LEFFA, Vilson J. Word sense disambiguation in reading comprehension. In: MEYER, Françoise; BOLÍVAR, Adriana; FEBRES, Judith; SERRA, Marisela Bonett de. English for Specific Purposes (ESP) in Latin America. Mérida, Venezuela: Universidad de Los Andes 1997. p. 168-173.  
16. LEFFA, Vilson J. Getting wired in the cyber revolution. In: Anais. XIII Encontro Nacional de Professores Universitários de Língua Inglesa (ENPULI). Rio de Janeiro, 1995, p. 514-523.  
17. LEFFA, Vilson J. Reading with an electronic glossary. Computers & Education, Great Britain, v. 19, n.3, p. 285-290, 1992.
18. LEFFA, Vilson J. One theme and three variations: Rewriting a text in a foreign language. The ESPecialist. São Paulo, v. 16, n. 2, p. 157-182, 1995. 
19. LEFFA, Vilson J. Making ends meet in the classroom: The attributes of the good language teacher. Cadernos do IL. Porto Alegre, UFRGS, n. 12, p. 107-116, Dezembro de 1994. 
20. LEFFA, Vilson J. Compensation and interaction in the reading process of L2 students. The ESPecialist. São Paulo, v. 9, n.1/2, p. 85-95, 1988.