Tovar Yucra ME. Evaluation of Assertiveness in Secondary School Students: An Analysis of Self-Assertiveness and Heteroassertiveness Using the ADCA-1 Questionnaire. epsir [Internet]. 2025 Mar. 19 [cited 2026 Nov. 5];10:1-14. Available from: https://epsir.net/index.php/epsir/article/view/1968