visa bulletin 4.2021 – ngay nop don dang ky FB Sizes: 150 × 32 / 300 × 64 / 768 × 164 / 1.024 × 218 / 250 × 220 / 600 × 220 / 300 × 200 / 400 × 200 / 130 × 90 / 1.025 × 218 / 1.033 × 220