He was considered a pioneer in the field of ethnography.
The trend will increase as English is considered and developed in the field of education too.
He is also considered an opinion leader in the field of sleep medicine.
The latter book is also considered a classic in the field of operations research.
From its opening, the polytechnic was considered very strong in the field of art and design.
He is considered a pioneer in the field of cut optical glass.
The book is still considered an invaluable reference source in the field.
It is now considered a "classic work" in the field of labor studies.
The deal, which includes the government, is considered a landmark in the field of international property rights.
It has currently been cited 441 times which is considered many in the field of Psychology.