por Kerlinger, Fred N. (Fred Nichols), 1910- [autor] | Kerlinger, Fred N. (Fred Nichols), 1910-. Foundations of behavioral research.
por Kerlinger, Fred N. (Fred Nichols), 1910- [autor] | Kerlinger, Fred N. (Fred Nichols), 1910-. Foundations of behavioral research | Lee, Howard B [autor] | Pineda Ayala, Leticia Esther [traductor] | Mora Magaña, Ignacio [traductor].