Juan José Arjona Romero and Ligia Isabel Estrada Vidal are now peers.

Juan José Arjona Romero and Juan Jesús Martín Jaime are now peers.

Juan José Arjona Romero and Leticia C. Velasco Martínez are now peers.

Juan José Arjona Romero and Juan Carlos Tójar Hurtado are now peers.

Juan José Arjona Romero added interests Education and Social Entrepreneurship Environmental Education Sustainability Studies.