The organizational composition and operation of Scientific Council shall adjust to the provisions of legislation.B?n ph?i ??ng nh?p ho?c ??ng ký Thành Viên TVPL Professional ?? s? d?ng ???c ??y ?? các ti?n ích gia t?ng liên quan ??n n?i dung TCVN.H??ng d?n s? d?ng: Dùng 1 viên tr??c khi quan h? kho?ng 30 phút ?? ??t Hello?u qu? t?t nh?t.Tr