7cfff084ca01731471bca2170003e8f12225c794  quacac_a2018v21n44p81.pdf
7dbe8906601a227153b74558b5770e1fa78c7063  quacac_a2018v21n44p81iENG.pdf
ed8b62eab6a73357fc2f6a880afea382d15256dc  quacac_a2018v21n44p81iSPA.pdf