Mathematics
Clear, logical, step-by-step.
The CTRI General Mathematics textbook is being designed to support self-study for SS1–SS3 students preparing for WAEC...
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Physics
Understanding how the world works.
The CTRI Physics textbook is designed for SS1–SS3 students preparing for WAEC. It covers mechanics, waves, electricit...
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Chemistry
The science of matter and change.
The CTRI Chemistry textbook covers the full SS1–SS3 WAEC syllabus — from atomic structure and bonding through to orga...
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Biology
Life, explained.
The CTRI Biology textbook takes SS1–SS3 students through the living world — from cell biology through ecology — in cl...
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Agricultural Science
Feeding the future.
The CTRI Agricultural Science textbook covers the full SS1–SS3 WAEC syllabus — from soil science and crop production ...
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