Versi PPT power point
http://www.google.com.ua/url?sa=t&source=web&cd=2&ved=0CCAQFjAB&url=http%3A%2F%2Fstudent.eepis-its.edu%2F~adikur%2Fmateri%2FPerkembangan%2520Perangkat%2520Lunak.ppt&ei=hPqqTc-IE8zYsgbo0uWWCA&usg=AFQjCNEoNYC2vZFD4yUm__x9inlayqmbbA
dan http://www.scribd.com/doc/7607818/perkembangan-software-komputer
Silahkan di download
http://www.google.com.ua/url?sa=t&source=web&cd=2&ved=0CCAQFjAB&url=http%3A%2F%2Fstudent.eepis-its.edu%2F~adikur%2Fmateri%2FPerkembangan%2520Perangkat%2520Lunak.ppt&ei=hPqqTc-IE8zYsgbo0uWWCA&usg=AFQjCNEoNYC2vZFD4yUm__x9inlayqmbbA
dan http://www.scribd.com/doc/7607818/perkembangan-software-komputer
Silahkan di download