Bala, R.; B. Bala, M.; C. Bala, M.; ., S.; Kaushal, S.; Kumari, S. A Pre-Experimental Study to Assess the Effectiveness of Self-Structured Teaching Plan of Knowledge on Menstrual Hygiene Among Nursing Students of Himalayan School of Nursing, Ambala (Haryana). Int J Nur Res 2023, 6, 20-24.