<https://anidescoala.ro/educatie/gramatica/parti-de-vorbire/substantivul/exemple-de-substantive-concrete/#webpage>
<http://schema.org/description>
"Substantivele concrete denumesc obiecte sau substanța constitutivă a unor obiecte. Exemple de substantive concrete: televizor, carton, lemn."
<https://anidescoala.ro/educatie/gramatica/parti-de-vorbire/substantivul/exemple-de-substantive-concrete/>