ULMANE-OZOLIŅA, Lāsma. Possibilities of Computer-supported Collaborative Learning in Blended-learning. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 1, p. 415–424, 2015. DOI: 10.17770/sie2012vol1.61. Disponível em: https://journals.rta.lv/index.php/SIE/article/view/61.. Acesso em: 5 apr. 2025.