Др Сан Чад * МОДЕРН АРТ Dr. Alexander D. Chernykh (pseudonym of San Chad). The author of 14 books, one opening 13 patents and more than 100 publictions. Member of the World and International Congresses.

Др Сан Чад * МОДЕРН АРТ Dr. Alexander D. Chernykh (pseudonym of San Chad). The author of 14 books, one opening 13 patents and more than 100 publictions. Member of the World and International Congresses.