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	1.	සුළං විදුලි යන්ත්‍ර‍යක වාර් ෂික නඩත්තුව by Practical Action Language: Publication details: Practical Action Colombo 2006 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	2.	ගෘහස්ථ වැසි ජල කළමනාකරණය (gruhastha vesi jala kalamanakaranaya) ටැංකි ඉදිකිරීමට හා නඩත්තුවට උපදෙස් by Practical Action Language: Publication details: Practical Action Colombo 05 ; 2007 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)

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