• Period pad prices push girls out of school in Africa (Science Direct)
• No pads, no school; girls' education going down the toilet (Think Africa Press)
• Sanitation and Health (World Health Organization)
• Hygiene Education (WaterAid - UK)
• Guidance on Menstrual Health and Hygiene (UNICEF)
• Key Principles for Hygiene Promotion Programmes (European Union)
• Water Contamination (ConsumerNotice.org)

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