Philippines". TriptheIslands.com. Archived from the original on 2018-12-26. Retrieved 2011-06-11. 11. ↑ "Exact Software will acquire US based Macola Technologies Inc". www.systemtechnologygroup.com. Retrieved 2021-04-13. 10. ↑ ^10.00 ^10.01 ^10.02 ^10.03 ^10.04 ^10.05 ^10.06 ^10.07 ^10.08 ^10.09 ^ 10.10 Pain, Stephanie (2009-05-30). "Don't forget your umbrella". New Scientist. 215 (2872): 14. Bibcode:2012NewSc.215Q..14M. doi: 10.1016/S0262-4079(12)61728-X.