Bibliografia  
             
            
    Principal
            
                  		- 	Godfray et al. 
	(2021) 
            3.1_Food security 
    	n.d.
- 	McDonald 
	(2006) 
            3.1_Low fertility and the state 
    	n.d.
- 	Lam 
	(2011) 
            3_How the world survived the population bomb 
    	n.d.
- 	Peixoto 
	(2004) 
            2.5_As teorias explicativas das migrações 
    	n.d.
- 	Cleland e Machiyama 
	(2017) 
            2.1_The challenges posed by demographic change 
    	n.d.
- 	Vallin e Meslé 
	(2010) 
            2.4_Will life expectancy increase indefinitely 
    	n.d.
- 	Billari 
	(2008) 
            2.3_Lowest-low fertility in Europe 
    	n.d.
- 	Lesthaeghe 
	(2010) 
            2.2_The unfolding story of the second demographic transition 
    	n.d.
- 	Hardin, G. 
	(1968) 
            3_The tragedy of the commons 
    	n.d.
- 	Grupo de Foz 
	(2021) 
            1_Demografia, estatística social 
    	n.d.
- 	CES 
	(2022) 
            3.1_.A natalidade em Portugal 
    	
- 	Sanderson e Scherbov 
	(2010) 
            3.2_Remeasuring aging 
    	
- 	Börsch-Supan 
	(2013) 
            3.2_Myths, scientific evidence and economic policy 
    	
- 	Peixoto et al. 
	(2017) 
            3.2_Migrações e sustentabilidade demográfica 
    	
- 	Haas 
	(2024) 
            3.3_Changing the migration narrative 
    	
- 	Coleman 
	(2006) 
            3.3_Immigration and ethnic change 
    	
- 	Malheiros e Peixoto 
	(2023) 
            3.3_Challenges and ambiguities of the policies 
    	
- 	Carvalho 
	(2017) 
            3.3_Bringing the state back in 
    	
Secundária
            Não foi definida bibliografia secundária