Analysis of information sources in references of the Wikipedia article "نهر باساك" in Arabic language version.
Bassac was an important economic center, for it was the outlet for the trade from the east bank of the Mekong, including the Bolovens Plateau, Sara vane, Attopeu, and Kontum Plateau regions. From Bassac, trade in cardamon, rubber, wax, resin, skins, horns, and slaves, was conducted with Ubon, Khorat, and Bangkok.
Bassac was an important economic center, for it was the outlet for the trade from the east bank of the Mekong, including the Bolovens Plateau, Sara vane, Attopeu, and Kontum Plateau regions. From Bassac, trade in cardamon, rubber, wax, resin, skins, horns, and slaves, was conducted with Ubon, Khorat, and Bangkok.