The Beginning of Girl Groups: 1st Generation

K-POP has come a long way to be where it

Opinion, Why it matters that Girls' Generation are still making music 15 years in, with Forever 1 – most K-pop girl groups don't last half that long

The last girl groups left from the 2.5 generation

NME - Girls' Generation – 'Forever 1' review: K-pop's most illustrious girl group prove why they're timeless and boundless (4/5) : r/kpop

220509 Highest 1st Week Sales by 4th Generation Girl Groups in Hanteo's History : r/iZone

Here's the Genealogy of 1st to 4th Generation of K-Pop — Which Lineup is Your Favorite?

K-Pop Girl Group Most Selling Album History (2010-2020)

First Generation of K-Pop (Updated!) - Kpop Profiles

K-Pop History: 1st Generation

Here Are The Top Girl Groups Of Each Generation According To Koreans - Koreaboo

2NE1 - Wikipedia

First Generation K-Pop Idols That Every K-Pop Fan Should Know - Koreaboo

THE ENTIRE 3rd & 4th generation girl group album sales history (2012-2023)