Echauz, Romeo Rosalez
Super sales system / by Romeo R. Echauz. - =s.n.= : The Author, 2002. - 104p.
Sales promotion
Sales personnel--Vocational guidance
Super sales system / by Romeo R. Echauz. - =s.n.= : The Author, 2002. - 104p.
Sales promotion
Sales personnel--Vocational guidance