"For Robbins, the insufficiency was solved, and his definition allows us to proclaim, with an easy conscience, education economics, safety and security economics, health economics, war economics, and of course, production, distribution and consumption economics as valid subjects of the economic science."""
“”I Robbins, iban tigdaht t amukin tolas almaɣna net ijraw anaɣ ad n allaɣat s tenasse n ta-ite as education economics , safety d security economics , aqtisad wan assexat, aqtisad wan akinnas, d intaj, tazunt d tetate n aqtisad as amosan haratan n economic science”””