彗星加速器免费永久加速-outline
IPUMS Higher Ed disseminates data from the Scientists and Engineers Statistical Data System (SESTAT), the leading surveys for studying the science and engineering (STEM) workforce in the United States. Data from the National Surveys of College Graduates (NSCG), Recent College Graduates (NSRCG) and Doctorate Recipients (SDR) are integrated from 1993 to the present.
Use it for GOOD -- never for EVIL
彗星加速器免费永久加速-outline
IPUMS provides census and survey data from around the world integrated across time and space. IPUMS integration and documentation makes it easy to study change, conduct comparative research, merge information across data types, and analyze individuals within family and community context. Data and services available free of charge.
彗星加速器免费永久加速-outline
HIGHERED News
旋风加速官网
彗星加速器免费永久加速-outline