21. Working with whole numbers. -   Publication: Georgetown ; Ministry of Education, Social Development and Culture, 1977 . 107 p. : - , Cover Title : Teacher's manual : working with whole numbers. Date:1977 Availability: Copies available: Turkeyen Campus Science & Technology [QA 40 G88] (2), Actions: Add to cart No cover image available No cover image available
22. Working with decimal numbers.-   Publication: Georgetown : Ministry of Education, Social Development and Culture, 1980 . vol. : Date:1980 Availability: Copies available: Turkeyen Campus Caribbean Research Library [QA139 G882] (4), Actions: Add to cart No cover image available No cover image available
23. Working with fractional numbers :   Publication: Georgetown : Ministry of Education, Social Development and Culture, 1978 . vol. : Date:1978 Availability: Copies available: Turkeyen Campus Caribbean Research Library [QA117 G882] (2), Actions: Add to cart No cover image available No cover image available
24. The madwoman of Papine :   Publication: Georgetown, Guyana, South America : Curriculum Development Centre, Ministry of Education and Social Development, 1976 . 60 p. Date:1976 Availability: No items available: Actions: Add to cart No cover image available No cover image available