The effectiveness of the implementation of ecuadorian regulations for crime scene preservation: impact on the integrity and validity of forensic evidence. investigacionysaberes [Internet]. 2025 May 29 [cited 2025 Jul. 8];15(2):104-36. Available from: http://www.revistasdigitales.utelvt.edu.ec/revista/index.php/investigacion_y_saberes/article/view/318