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	1.	No cover image available Biological discussions for Ceylon classrooms. by BASNAYAKE, V Language: Publication details: SLAAS Colombo ; 1971 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	2.	No cover image available CAAS School Biology Project school Biology investigations by Basnayake, V Language: Publication details: CAAS Colombo ; 1971 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	3.	No cover image available CAAS School Biology Project biological discussions for ceylon classrooms by Basnayake, V Language: Publication details: CAAS Colombo ; 1971 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	4.	No cover image available CAAS School Biology Project Ceylon Biology Notes by Basnayake, V Language: Publication details: CAAS Colombo ; 1971 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	5.	No cover image available Biological discussions for Ceylon classrooms by Basnayake, V Language: Publication details: SLAAS Colombo ; 1971 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)

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