8 1 10 سیتا رام کوھلی Additional Author Pakistan, Scientific and Technical Information Division- Islamabad Additional Author mixed material (PBK) سیتا رام Additional Author یوسف مرزا Additional Author mixed material 9698350020 کوہلی ، سیتا رام Additional Author اکمل ایوبی Additional Author mixed material ایک تحقیقی رپورٹ کوھلی ،سیتا رام Additional Author اعوان ، محمد طارق Additional Author mixed material Walsh, Brian C. Additional Author کوھلی ،سیتا رام Additional Author mixed material Haldane, J. B. S. Additional Author سیتا رام کوھلی Additional Author mixed material Paisey, Alan Additional Author سیتا رام Additional Author mixed material Khondker, A. H. Additional Author کوہلی ، سیتا رام Additional Author mixed material