00420nam a2200121Ia 450000500170000000800410001708200150005810000170007324500680009026000480015830000120020650000800021820250624011644.0240331s9999    xx            000 0 und d  a331.8bDIS  aDisanayake,K 0aSri Lankawe wrutheeya samithi viyaparayesiyawasaka piyasatahan   aRajagiriyabSampath publishers and printers  a56 p .,  aA book of  footprints of a century of the trade union movement in Sri Lanka