I'd still recommend having a page on Yelp, Facebook and Google+... but not sure I'd advertise on Yelp given their requirements.
ຂ້ອຍຍັງແນະ ນໍາ ໃຫ້ມີ ຫນ້າ ໃນ Yelp, Facebook ແລະ Google + ...ແຕ່ບໍ່ແນ່ໃຈວ່າຂ້ອຍຈະໂຄສະນາກ່ຽວກັບ Yelp ຕາມຂໍ້ ກໍາ ນົດຂອງພວກເຂົາ.