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 ### Essential
 - Essential Enterprise Architecture tool https://enterprise-architecture.org/
 - https://enterprise-architecture.org/university/essential-meta-model-overview/
-- Essential Meta Model https://metamodel.enterprise-architecture.org/metamodel/EA_Class.html
+- Essential Meta Model https://metamodel.enterprise-architecture.org/metamodel/EA_Class.html ; https://enterprise-architecture.org/university/essential-meta-model-overview/
 - The Architecture Elements (Essential Playbook) https://www2.enterprise-architecture.org/architecture_elements.php 
 - https://enterprise-architecture.org/resources/free-ea-models/ Загрузите и импортируйте наши модели EA в Essential