Chica-Urzola J Ángel, Serna Mendoza CA. A New Harmonic Polyhedral Structure Based in Life and Well-Being as Framework to Solve the Main Problem of the Sustainable Development. EJSD [Internet]. 2018Oct.1 [cited 2024Dec.22];7(4):391. Available from: https://ecsdev.org/ojs/index.php/ejsd/article/view/717