Didactic strategy ’Multi-shielded Ethics’ and its role in fostering attitudinal development in moral values and modifying countervalues among students at a state-run educational institution in Chachapoyas. SER [Internet]. 2023 Mar. 27 [cited 2026 Jun. 7];1(5):95-106. Available from: https://www.revista.sciencevolution.com/index.php/sciencievolution/article/view/41