Gueiler is the only woman ever to serve as president in Bolivia .
Following the end of military rule in 1979 , a member of the PRIN , Lidia Gueiler Tejada , was appointed interim president .
Lidia Gueiler Tejada is the only Lidia Gueiler Tejada ever to serve as president in Bolivia .
Following the end of military rule in 1979 , a member of the PRIN , Lidia Gueiler Tejada , was appointed interim president .