ajensen4·13 ปีที่แล้ว·discussNote that that is more or less an imaginary fact.SeeDel Giudice, Marco. "The Twentieth Century Reversal of Pink-Blue Gender Coding: A Scientific Urban Legend?." Archives of sexual behavior (2012): 1-3. http://bsb-lab.org/site/wp-content/uploads/DelGiudice_2012_r...
See
Del Giudice, Marco. "The Twentieth Century Reversal of Pink-Blue Gender Coding: A Scientific Urban Legend?." Archives of sexual behavior (2012): 1-3. http://bsb-lab.org/site/wp-content/uploads/DelGiudice_2012_r...