A.T.P.L. Abeykoon Books

By A.T.P.L. Abeykoon

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Supplementary Population and Health Targets and Indicators

By A.T.P.L. Abeykoon

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Natural Resources of Sri Lanka 2000

By A.T.P.L. Abeykoon, K.D. Arulpragasam

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Population Trends in Sri Lanka: The Post War Experience

By A.T.P.L. Abeykoon

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By A.T.P.L. Abeykoon

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By A.T.P.L. Abeykoon

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On older people and government response in Sri Lanka; study emerged out of a seminar on ageing of the Sri Lankan population conducted by the PASL in collaboration with UNFPA, Colombo, 2002.

Milestones to independence

By A.T.P.L. Abeykoon

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Contributed articles, chiefly on economic and social development of Sri Lanka.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.