@article { author = {Alaqband, J. and Malekzadeh, R. and Mokri, A.}, title = {Comparative research and development (R & D) in several countries}, journal = {Sharif Journal of Mechanical Engineering}, volume = {15}, number = {16- ویژه نامه}, pages = {25-32}, year = {1999}, publisher = {Sharif University of Technology}, issn = {2676-4725}, eissn = {2676-4733}, doi = {}, abstract = {-}, keywords = {-}, title_fa = {بررسی مقایسه‌ای تحقیق و توسعه (R&D) در چند کشور جهان}, abstract_fa = {-}, keywords_fa = {-}, url = {https://sjme.journals.sharif.edu/article_5977.html}, eprint = {https://sjme.journals.sharif.edu/article_5977_87dace645e93b446448e290e82d48e40.pdf} }