— The American Mathematical Monthly: 11310.
— Crux Mathematicorum with Mathematical Mayhem: M284, M289, M290, M304, M311, M320, M321, M327, M328, M330, M338, M343, M345, M354, M357, M358, M360, M363, M366, M371, M372, M382, M385, 3426, M430, M489, M494.
— La Gaceta de la RSME: 101.
— Mathematical Reflections: J39, O47, J66, J67, J73, S115, U157, J191, U206, (J249), J331, J337, J339, J343, O361, U391, S393, J397, J401, S430.
— The Pi Mu Epsilon Journal: 1147, 1152, 1166, 1168, 1175, 1183, 1200, 1211.
— Revista Escolar de la Olimpiada Iberoamericana de Matemáticas (REOIM): 121, 131, 133, 136, 144, 159, 160, (163), 203, 204, 208.
— School Science & Mathematics: 4990, 4994, 4995, 5011, 5025, 5044.

1. Solución a 126, REOIM, número 26, julio-agosto de 2006.
2. Solución a O31, Mathematical Reflections, 2006, no. 6.
3. Solución a 137, REOIM, número 28, noviembre-diciembre de 2006.
4. Solución a U46, Mathematical Reflections, 2007, no. 2.
5. Solución a J55, Mathematical Reflections, 2007, no. 4.
6. Solución a O55, Mathematical Reflections, 2007, no. 4.
7. Solución a U64, Mathematical Reflections, 2007, no. 5.
8. Solución a J71, Mathematical Reflections, 2007, no. 6.
9. Solución a 4996, School Science & Mathematics, vol. 108, 2008, no. 1.
10. Solución a M344, Crux Mathematicorum with Mathematical Mayhem, vol. 34, 2008, no. 4.
11. Solución a U85, Mathematical Reflections, 2008, no. 3.
12. Solución a J94, Mathematical Reflections, 2008, no. 4.
13. Solución a 5022, School Science & Mathematics, vol. 108, 2008, no. 5.
14. Solución a 3354, Crux Mathematicorum with Mathematical Mayhem, vol. 34, 2008, no. 5.
15. Solución a M367, Crux Mathematicorum with Mathematical Mayhem, vol. 34, 2008, no. 7.
16. Solución al Problem of the Month (April 2010), Bilkent University.
17. Solución a 36, REOIM, número 8, julio-agosto de 2003.
18. Solución a J159, Mathematical Reflections, 2010, no. 3.
19. Solución a U188, Mathematical Reflections, 2011, no. 2.
20. Solución a U195, Mathematical Reflections, 2011, no. 3.
21. Solución a S247, Mathematical Reflections, 2012, no. 6.
22. Solución a S265, Mathematical Reflections, 2013, no. 3.
23. Solución a J299, Mathematical Reflections, 2014, no. 2.
24. Solution to Problem C in the March 2015 issue of the Nieuw Archief voor Wiskunde.
25. Solución a U348, Mathematical Reflections, 2015, no. 4.
26. Solución a 1971, Mathematics Magazine, vol. 88, 2015, no. 3, submitted.
27. Solution to problem 163 in the Newsletter of the EMS, September 2016.
28. Solución a S400, Mathematical Reflections, 2017, no. 1.
29. Solución a O397, Mathematical Reflections, 2017, no. 1.
30. Solution to problem 171 in the Newsletter of the EMS, March 2017.
31. Solución a 2027, Mathematics Magazine, vol. 90, 2017, no. 4.

Soluciones enviadas al NU Problem-Solving Group: S-326, 326, 328, 330 (Math Horizons); 1991, 1999 (Mathematics Magazine); 1200, 1202, 1266 (The Pi Mu Epsilon Journal)

1. Problema 4, Final 2006 de la 11a. Edición Regional (México y Centroamérica) del ICPC-ACM.
2. Problema 145, REOIM, número 29, enero-febrero, 2007.
3. Problema 158, REOIM, número 32, mayo-junio, 2008.
4. Problema 169, REOIM, número 34, mayo-junio, 2009.
5. Problem J260, Mathematical Reflections, issue 2, 2013.
6. Problem J263, Mathematical Reflections, issue 2, 2013.
7. Problem U438, Mathematical Reflections, issue 1, 2018.