1. Uniformity of morphological characteristics of Calotropis procera found at two altitudinal ranges in Saudi Arabia;Alwadi;Arab Gulf J. Scient. Res.,1996
2. Baka, ZAM (1987) Responses of plant tissues to infection by rust fungi: fine structure, cytochemistry and autoradiography. Ph.D. Thesis, University of Sheffield, England, U. K
3. Comparative ultrastructure of aecial and telial infections of the autoecious rust fungus Puccinia tuyutensis;Baka;Mycopathology,1996
4. Fungi associated with leaf spots of Dracaena ombet (Kotschy and Peyr);Baka;Microbiol. Res.,1996
5. Ultrastructure of intercellular hyphae and haustoria of the monokaryotic stage of Puccinia lagenophorae;Baka;Microbiol. Res.,1999