Content by Quality Digest, Donald J. Wheeler
Dr. Wheeler’s ‘Understanding SPC’ Seminars Now OnlineAvailable in 15 sessions, free of charge
Mon, 03/31/2025 - 15:15
Dr. Donald J. Wheeler’s highly acclaimed “Understanding SPC” seminar is a class he has been teaching since 1971. Since then, he has taught more than 1,100 seminars in 17 countries on six continents, and his books have been translated into five…