2951afaf9eeff82ce48e5a375e5dbd858585d4689fbd13867f4f1c6673f9e42b  Treball_de_Recerca_1.pdf
2a54d17246151a3262fd9070e108de3b4c88993f9acce46a96dafdbae1414585  Treball_de_Recerca_2.pdf