1. Bouaita Said, "The Cognitive Reference for Narrative Semiotics - Graimas, a Model", Simat Magazine, (Volume 1, No. 1, February 23, 2013), p.
2. Maurice FRECHURET, Le Mou et ses forms. Essai sur quelques catégories de la sculpture du vingtième siècle, (Nîmes, Edition jacqueline Chambon, Paris, 2004), P11.
3. Roland Barthes, Mythologies, (Le Seuil, Paris, 1957), p. p. 159–161.
4. Noureddine Mahmoud Said, The Third Meaning and Other Articles - Roland Barthes, Sunday 9 December 2012: http://www.diwanalarab.com/
5. Jonathan Kohler, Roland Barthes, A Very Short Introduction, (Translated by Sameh Samir Farag), (Hendawy Foundation for Education and Culture, Cairo-Egypt, 2016), Edition 1, p. 33, 34.
6. Egyptian Computer Companies, Plastics in Our Lives... Prospects and Challenges, Fyodo, 2019:
https://www.feedo.net/ScienceAndTechnology/Technology/EssentialTechnology/PlasticInOurLife.htm