20210206233800.0 portico Portico 1992/1993 2024-03-26 Preserved : 1992: 1992, 1993: 1993 Preserved : 1992: 1992(7), 1993: 1993(8) Preserved Sabinet African Population Studies 0850-5780 2308-7854 African population studies http://aps.journals.ac.za/pub 2308-7854 1988/1990 2024-03-26 Preserved : 1988: 1988, 1989: 1989, 1990: 1990 Preserved : 1988: 1988(1), 1989: 1989(2-3), 1990: 1990(4) Preserved Sabinet African Population Studies 0850-5780 2308-7854 African population studies. African population studies African population studies. 2308-7854 2308-7854