where can i find books with digested cases under Article 2 Section 1-6 of the 1987 philippine constitution?

Answer 1

Link below will give you access to all of the articles
http://members.tripod.com/~malolos/1987/toc.html
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Section 2 in link below
http://members.tripod.com/~malolos/1987/article02.html
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cases
http://www.supremecourt.gov.ph/jurisprudence/1997/aug1997/110397.htm

This is all I could find hope it helps.
Good Luck!