David V · David Vargas Vargas · H. David Vargas · Willys David Vargas Volcanes
Edelsa Grupo Didascalia · Kendall Hunt Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| General Chemistry Laboratory Manual | 978-1-4652-4263-1 (1-4652-4263-5) | 2014 |
| Tu Y Yo Nivel A | 978-84-7711-560-1 (84-7711-560-5) | 2009 |