diff --git a/ROSCA_ALEXANDRU/T1/Links.txt b/ROSCA_ALEXANDRU/T1/Links.txt
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+https://stackify.com/dependency-inversion-principle/?fbclid=IwAR3MDIUIQqPVJDuU3y1mP-qmGZzexOXA25bwCAE6UM5FK_s_2uK4iDugODM
+
+https://en.wikipedia.org/wiki/SOLID?fbclid=IwAR1iKZSABLzbizKDuDM5Z0ApXBfP2UH6SMdA7eFRt-SmbXq8tNS1XlAXF1A
+
+https://hackernoon.com/solid-principles-made-easy-67b1246bcdf?fbclid=IwAR1SJNLaCa-YuP7IbHnors6voeoEzJrY6tepjH9Vo2JnIMxrN2-bAxIt4PA
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diff --git a/ROSCA_ALEXANDRU/T1/Tema 1 PSSC - Rosca Alexandru.pdf b/ROSCA_ALEXANDRU/T1/Tema 1 PSSC - Rosca Alexandru.pdf
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diff --git a/ROSCA_ALEXANDRU/T2/Links.txt b/ROSCA_ALEXANDRU/T2/Links.txt
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+1. https://airbrake.io/blog/software-design/domain-driven-design?fbclid=IwAR342ZjCepuKi9KMnUfgzKwDhJCzq6E9NumaKyjdz5q5Jv53N1yHkYnSkCU
+2. https://docs.microsoft.com/en-us/dotnet/standard/microservices-architecture/microservice-ddd-cqrs-patterns/infrastructure-persistence-layer-design?view=aspnetcore-2.2&fbclid=IwAR0Ojlwkj7M3E6TxjRnkMPEstJBAUl3Au-rxJDuaOf6pWr0DoDHCh9cNkkM#the-repository-pattern
+3. https://pehapkari.cz/blog/2018/02/28/domain-driven-design-repository/?fbclid=IwAR0_PJRAIfiC9DZx6dpHBVAvTxLN_I4eCDgyApIYkg0ZFPKmrIEwyAxrm98
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diff --git a/ROSCA_ALEXANDRU/T2/PSSC_TEMA_2_ROSCA_ALEXANDRU.pdf b/ROSCA_ALEXANDRU/T2/PSSC_TEMA_2_ROSCA_ALEXANDRU.pdf
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