Meza Lara, D., Ruiz Rodríguez, L., & Herrera Bedoya, Óscar. (2012). Multilists applied to an XML parser implementation in Objective C for iOS for XPDL 2.2 standard. ITECKNE, 9(2), 52-61. https://doi.org/https://doi.org/10.15332/iteckne.v9i2.2757