Pecyn yn cynnwys 1 llyfr a 6 cherdyn gweithgaredd = Pack contains 1 book and 6 activity cards.
Byd gwaith : arweiniad fesul cam i sefydlu cysylltiadau addysg busnes i ysgolion cynradd. Published by BBC Cymru ar y cyd â TECs Cymru in 1999. Publication and catalogue information, links to buy online and reader comments.