IDNStudy.com, ang iyong mapagkukunan para sa maaasahan at pangkomunidad na mga sagot. Magtanong ng anumang bagay at makatanggap ng agarang tugon mula sa aming dedikadong komunidad ng mga eksperto.

Look for the sources used by the Philippines and China in their respective claims of sovereignty over the Scarborough Shoal and identify which are primary sources. Also look for the ruling of the Permanent Court of Arbitration and explain the reason for its decision.