English Name
Time
Details from Source
NSP
ParlGov
Wikipedia
Nusu
EJPR PDY
NUORS
Wikipedia tags
World Values Survey
NUSU
EU-NED
IPOD
YoFiPa
PIP
Ray (1999)
YOUNG
NPPSI
YF
added: Jan. 1, 2013, 7:16 p.m. — updated: June 5, 2023, 12:40 p.m.