Journal Article
                        
                        Roggeveen, Yadira, Lauren  Birks, Jetty  Kats, Mange  Manyama, Jennifer  Hatfield, Joske  Bunders, Fedde  Scheele, and Jos  Roosmalen.  
"Low utilization of skilled birth attendants in Ngorongoro Conservation Area, Tanzania: a complex reality requiring action." Health 5, no. 07 (2013): 71-83.