Impact Factor (IF) as defined in Journal Citation Reports^® from ISI Web Of Knowledge

Qualis A1 (IF >= 4.8)
Qualis A2 (3.3 <= IF  < 4.8)
Qualis B1 (2.15 <= IF< 3.3)
Qualis B2 (1.7 <= IF  < 2.15 )
Qualis B3 (1.1 <= IF < 1.7 )
Qualis B4 (0.51 <= IF <1.1)
Qualis B5 (IF ≤ 0.5)