| http://www.w3.org/ns/prov#value | - According to Adat or customary law, there was a reciprocal arrangement during the sultanate whereby The King supplied his subjects with rice, metal tools, salt and cloth ; in exchange they must send down forest products such as gums and resins, ivory, rhinoceros horn and dragon's blood (A.Mukty Nasruddin 1989:122}.
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