APA Edition Citation

Helen Joy, B. H. Diagnosis of errors and development of remedial materials for teaching chemistry at vocational higher secondary level.

Chicago Edition Citation

Helen Joy, B. H. Diagnosis of Errors and Development of Remedial Materials for Teaching Chemistry at Vocational Higher Secondary Level.

MLA Edition Citation

Helen Joy, B. H. Diagnosis of Errors and Development of Remedial Materials for Teaching Chemistry at Vocational Higher Secondary Level.

Warning: These citations may not always be 100% accurate.