Ageloff, Roy Instructor's manual to accompany Lotus 1-2-3 release 2.2 for business / Roy Ageloff - Cambridge, MA : Course Technology , 1991. - 166 p. : il., Tables ; 29 cm. ISBN: 1878748513 Subjects--Topical Terms: Lotus 1-2-3 --- Estudio y enseñanzaHojas de cálculo --- Lotus 1-2-3 LC Class. No.: HF 5548.4.L67 / A34 1991 teach.