If it appears that the estimated contract price will exceed fifteen thousand dollars ($15,000), public notice to bidders shall be given by publication once a week for at least two consecutive weeks, or once a week for more than two consecutive weeks if such longer period of advertising is deemed necessary by the trustees, next preceding the day set for the receiving of bids:
(a)
In two trade papers of general circulation, one published in Los Angeles and one in San Francisco, devoted primarily to the dissemination of contract and building news among contracting and building material supply firms; or
(b)
In one newspaper of general
circulation published in the county in which the major portion of the project is located, and in one such trade paper published in the county group, as defined in Section 187 of the Streets and Highways Code, in which the work is to be done; or
(c)
Electronically on the California State University’s Internet Web site.