Van de la cac ban ko hieu het tam quan trong cua PTKT.

Neu ai da tung nghi minh la dan chuyen PTKT ma ko biet Gann la gi thi coi nhu chung ta van chua chuyen nghiep. toi da hoc PTKT 8 nam nay va dam chac voi cac ban rang chung ta nen hoc ve ly thuyet cua Gann.

nen tim cuon sach The Definitive Guide to Forecasting Using W.D.Gann's Square of Nine de hoc nhe, cac ban co the lien he toi qua email [email protected].