| Tabla de contenido S. Afr. j. sci. vol.115 no.1-2 Pretoria ene./feb. 2019 Leader | | | | · Does more and better research result in greater and effective impact? Butler-Adam, John
| | | Book Reviews | | | | · Radio, like you've never read it before Joubert, Marina
| | | | · A tale of unusual dedication: The lives of JLB and Margaret Smith van Wilgen, Brian W.
| | | Scientific Correspondence | | | | · Reflections on demonstrating development-oriented innovations in South Africa Hart, Tim G.B.; Booyens, Irma; Fakudze, Bhekiwe; Sinyolo, Sikhulumile
| | | | · Using ocean robots on high-resolution profiling to capture the fast-flowing Agulhas Current Morris, Tamaryn; Lamont, Tarron
| | | | · Morphometric comparison of semicircular canals of Parapapio broomi and P. jonesi from Sterkfontein, South Africa Thackeray, Francis J.; Dumoncel, Jean; Gommery, Dominique; Kgasi, Lazarus; Tawane, Gaokgatlhe M.; de Beer, Frikkie C.; Hoffman, Jakobus W.; Bam, Lunga C.
| | | Commentary | | | | · The nature of international collaboration in the Benguela upwelling region, 2000-2016 Gibbons, Mark J.; Govuza, Bonga
| | | Research Articles | | | | · Science in the service of society: Is marine and coastal science addressing South Africa's needs? Cochrane, Kevern L.; Sauer, Warwick H.H.; Aswani, Shankar
| | | | · Growth and yield parameters of three cowpea (Vigna unguiculata L. Walp) lines as affected by planting date and zinc application rate Mfeka, Nonkululeko; Mulidzi, Reckson A.; Lewu, Francis B.
| | | | · Genotoxicity of aqueous extracts of Tulbaghia violacea as determined through an Allium cepa assay Madike, Lerato N.; Takaidza, Samkeliso; Ssemakalu, Cornelius; Pillay, Michael
| | | | · The Pleistocene fauna of the Cape south coast revealed through ichnology at two localities Helm, Charles W.; Cawthra, Hayley C.; de Vynck, Jan C.; Lockley, Martin G.; McCrea, Richard T.; Venter, Jan
| | | | · Palaeotopography of a Palaeolithic landscape at Bestwood 1, South Africa, from ground-penetrating radar and magnetometry Papadimitrios, Konstantinos S.; Bank, Carl-Georg; Walker, Steven J.; Chazan, Michael
| | | | · Perfectionism and motivation in sport: The mediating role of mental toughness Cowden, Richard G.; Crust, Lee; Jackman, Patricia C.; Duckett, Timothy R.
| | | | · Observations from SANSA's geomagnetic network during the Saint Patrick's Day storm of 17-18 March 2015 Nahayo, Emmanuel; Kotzé, Pieter B.; Cilliers, Pierre J.; Lotz, Stefan
| | | | · The influence of science reading comprehension on South African township learners' learning of science Stott, Angela; Beelders, Tanya
| | | | · Comparing mathematics knowledge of first-year students from three different school curricula Froneman, Sonica; Hitge, Mariette
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