The book you are referring to is likely " El Mexicano Enano: Un Mal de Nuestro Tiempo
The book serves as a harsh critique of the Mexican character, focusing on the psychological "stunting" (hence the title "Enano" or dwarf) that the author argues has been caused by historical and political manipulation. el mexicano enano libro pdf psicotecnica hot
Some students or online forums incorrectly group this essay with "psicotécnica" materials (psychometric or aptitude tests) used in Mexican civil service or educational exams. The book you are referring to is likely