October 2 (SeeNews) - Serbian economy minister Sasa Radulovic said on Wednesday that a public call will be issued for investors or partners interested in helping 179 state-controlled companies that are undergoing restructuring get back into shape. The public call is planned to be issued on October 15 and would target interested parties willing to step in through acquisitions, public-private partnerships, or business plans, a government statement quoted Radulovic as saying.