Mynd i'r afael â graffiau
Subtitle: a siartiau bar i linellau ffit gorau
By: Anne Goldsworthy, Rod Watson, Valerie Wood-Robinson ; addaswyd i'r Gymraeg gan gwmni Cymen Cyf..
Contributors: Watson, Rod.; Wood-Robinson, Valerie.
Series: Ymchwiliadau
Publisher: Cymdeithas Addysg Wyddoniaeth
Published: 2000
Place of publication: Hatfield
Language: wel
Number of pages: 87
Work titles: Getting to grips with graphs.