| Table of contents Inter disciplina vol.9 n.23 Ciudad de México Jan./Apr. 2021 Presentation | | | | · Presentation Mansilla, Ricardo
| | | Editorial | | | | · Editorial Jacovkis, Pablo; Masello, Diego
| | | Dossier | | | | · Current problems of the informal economy. Disadvantages of a general definition of informal employment for unbalanced societies Masello, Diego
| | | | · The end of work or reconversion of qualifications: a challenge for public policies Granovsky, Pablo
| | | | · SNA and social systems: interdisciplinary approaches to the analysis of social structure Oliva, Miguel; Chuchco, Nicolás Vladimir
| | | | · Cohesion of the resulting structures in social networks: case study on the disappearance of people in the province of Tucumán Salgado, Ariel; Fumagalli, Mariella; González Simonetto, Analía; Ibañez, Alejandra; Bernardi, Patricia; Somigliana, Carlos; Salado Puerto, Mercedes; Caridi, Inés
| | | Interview | | | | · The structural challenges of Latin American societies. Interview with Rubén Mercado Masello, Diego
| | | | · Experts by experience. Interview with Víctor Lizama, member of SinColectivo Ordorika Sacristán, Teresa; Gómez-Aguilar, Iván Eliab
| | | Independent communications | | | | · Between whiteness and blackness: the identity process in the minstrels (United States, 1840-1930) Sánchez Menchero, Mauricio
| | | | · “Because we do not belong”: experiences of violence and racism of Chinese-Mexicans Manzano-Munguía, María Cristina; Juárez Palomino, Liliana
| | | Reviews | | | | · David Ibarra Muñoz. Mercados abiertos y pactos sociales. Democracia arrinconada. México: UNAM, Facultad de Economía, Fondo de Cultura Económica, 2017, 147 pp. Corona Álvarez, Lidia Guadalupe
| | | | · Steven Levitsky y Daniel Ziblatt. Cómo mueren las democracias. Buenos Aires, Argentina: Ariel, 2018, 336 pp. Vázquez Tostado, Francisco Javier
| | | | · René Torres-Ruiz, La senda democrática en México. Origen, desarrollo y declive del PRD, 1988-2018. México: Gernika, 2019 Álvarez Enríquez, Lucía
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