35591
Principles of modularity were strengthened by Larry Constantine 's concepts of coupling ( to be minimized between modules ) and cohesion ( to be maximized within modules ) , by David Parnas 's techniques of information hiding , and by abstract data types .
 Larry Constantine, David Parnas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Larry Constantine, David Parnas