Aula02-Álgebra II:Grupos.25.03.2022-Subgrupos e Homomorfismos

New channel Profa. Kaliana Dias: title sample judged 'whole' (Full-length recorded university math lectures (algebra, linear algebra, number theory, calculus) with descriptive titles); passed a second screen for sellers/exam-prep/re-uploads; 2 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.