YUPAPIN, Preecha. Contemplation and perception energy transition states. International Journal of Scientific World, [S. l.], v. 3, n. 2, p. 223–226, 2015. DOI: 10.14419/ijsw.v3i2.4861. Disponível em: https://www.sciencepubco.com/index.php/IJSW/article/view/4861.. Acesso em: 5 may. 2024.