Sudheesh, S., J. Ahmad, and G. S. Singh. “Mixed Monolayer of Amphiphilic Schiff Base of Ortho-Vaniline and Stearic Acid: Isotherms and Thermodynamic Properties”. Orbital: The Electronic Journal of Chemistry, Vol. 10, no. 2, Apr. 2018, pp. 98-104, https://periodicos.ufms.br/index.php/orbital/article/view/16357.