Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHOW WE SOLVE PROBLEMS.AuthorsLigda, PaulPublicationSchool Science & Mathematics, 1930, Vol 30, Issue 5, p510ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1930.tb02722.x