F. J. García Bacete, A. Rubio Barreda, I. Milián Rojas, and G. Marande Perrin, “Friendship’s learning, in Primary Education. An intensive procedure for helping rejected children to make friends”, Apunt. Psic., vol. 31, no. 2, pp. 155–163, Aug. 2013, doi: 10.55414/ap.v31i2.318.