Palacios Abarca, R. B., Archila Chacón, A. M., Alvarado Ayala, M. C., Paz Martínez, M. A., Concepción Lino, E. O., & Salazar Murcia, P. A. (2004). How to address attention deficit hyperactivity disorder (ADHD) children in private elementary school. San Salvador: Universidad de El Salvador.

Palacios Abarca, Rudy Baldemar,, Ana Maritza Archila Chacón, Marta Cecilia Alvarado Ayala, Mayra Aleyda Paz Martínez, Edson Oraldo Concepción Lino, and Pedro Antonio Salazar Murcia. How to Address Attention Deficit Hyperactivity Disorder (ADHD) Children in Private Elementary School. San Salvador: Universidad de El Salvador, 2004.

Palacios Abarca, Rudy Baldemar,, et al. How to Address Attention Deficit Hyperactivity Disorder (ADHD) Children in Private Elementary School. San Salvador: Universidad de El Salvador, 2004.