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The authors of this book give reasonable and proven advice on everything related to sex, from psychology to technique, from rules of conduct to specific problems.
A guide to 250 flags from around the world, all illustrated in four colors and fully updated in the countries included. Includes national, organizational, international, and provincial flags, as well as an explanation of flag symbolism.
The second edition of this book recommends more sexogogy (theory and practice of sexual education) in its organization, along with sexology in connection with which the classic theories and interpretations of this science are explained in the first part.
This book explores the principles and methods of adult education.
