“THE ROLE OF AN ENTREPRENEUR’S SOCIAL CAPITAL STOCK IN THE SUCCESSFUL EXPANSION OF A START-UP. THE CASE OF ‘HIPERTEXTO LTDA - LA LIBRERÍA DE LA U’ (Artícle published in Spanish)” (2009) Estudios Gerenciales, 25(113), pp. 15–36. doi:10.1016/S0123-5923(09)70087-7.