Cita APA

Sibi P.A. (2009). Availability and utilization of audio visual aids by teachers for biological teaching in secondary schools of Ernakulam district.

Chicago Edition Citation

Sibi P.A. Availability and Utilization of Audio Visual Aids by Teachers for Biological Teaching in Secondary Schools of Ernakulam District. 2009.

Cita MLA

Sibi P.A. Availability and Utilization of Audio Visual Aids by Teachers for Biological Teaching in Secondary Schools of Ernakulam District. 2009.