The governing body or bodies issuing bonds under this chapter shall sell such bonds in such manner and for such price as it or they may determine to be for the best interest of said governing body or bodies. No such sale shall be made at a price less than par plus accrued interest to date of delivery of the bonds of the purchaser. Notice of the sale of any such bonds shall be published at least one time not less than ten days prior to the date of sale, and shall be published in a newspaper published in and having general circulation within such regional area, county or city.