P. A. Donovan

The South African Sugar Association Experiment Station at Mount Edgecombe - milestones 1925 - 2000.

P. H. Hewitt, P. A. Donovan, A. J. M. Carnegie, 2000 .

Gross energy yields and the support energy requirements for the production of sugar from beet and cane; a study of four production areas

R. B. Austin, P. A. Donovan, G. Kingston, 1978, The Journal of Agricultural Science.

The maize seed industry in Zimbabwe

P. A. Donovan, J. Rusike, 1995 .

The political, structural and managerial advantages of commodity-controlled agricultural research and development in South Africa

P. A. Donovan, M. Lynas, 1988 .

Returns on agricultural research and development in the South African sugar industry.

P. A. Donovan, 2015 .

Estimating returns on agricultural commodity extension

P. A. Donovan, M. Darroch, 1991 .

The management, funding and organisational structure of agricultural R & D in Zimbabwe, Malawi and South Africa. Part II—Organisational structure

P. A. Donovan, 1995 .

Estimating technology's contribution to productivity in the South African sugar industry, 1925–1986

P. A. Donovan, W. Nieuwoudt, 1992 .