1.
Abellán FJ, Calvo-Llena MT, Rabadán R. Harmonic development scale. An integrative proposal for the evaluation of children´s development. analesps [Internet]. 16Sep.2015 [cited 24Feb.2019];31(3):837-48. Available from: https://revistas.um.es/analesps/article/view/analesps.31.3.199901