Ina so in nuna godiya mai girma bisa babban ƙoƙari da goyon bayan da na samu a tsawon lokacin rubuta, gyara, da buga wannan littafi. Godiya mai yawa ta tabbata ga ƙwararrun masu gyara wannan rubutu. Ina kuma nuna godiya ta gaske ga shawarwari, ra'ayoyi, da amsoshi na ɗimbin abokai, abokan aiki, da malamai a sassan duniya daban-daban, waɗanda suka ba da gudummawa mai muhimmanci ga arzikin bayanai da ke cikin wannan littafi.

I would like to acknowledge the great effort and support I received throughout the period of writing, editing, and publishing of this book. Many thanks are due to the professional editors of this manuscript. I sincerely acknowledge the comments, suggestions, and feedback of scores of friends, colleagues and scholars around the world who provided invaluable contribution to the wealth of information provided in this book.

Ina mai matuƙar godiya ga ci gaba da goyon bayan Dr. Mohammad Alweh bisa gudummawarsa mara iyaka da ra'ayoyinsa. 'Yata Fatima ta cancanci mafi girman godiyata da ƙaunata bisa tsara murfin littafin.

I humbly acknowledge the continued and significant support of Dr. Mohammad Alweh for his endless contribution and feedback. My daughter Fatima deserves my best appreciation and love for designing the cover of the book.