സുധാകരൻ, എൻ. (Sudhakaran, N.)
(ഗണിത പസിലുകൾ (Ganitha passilukal ) - 3 - Thiruvananthapuram Kerala Bhasha Institute 2022 - 67p.
9789394421066
Mathematical puzzles
Mathematics- Education
M510.7 / SUD/G
(ഗണിത പസിലുകൾ (Ganitha passilukal ) - 3 - Thiruvananthapuram Kerala Bhasha Institute 2022 - 67p.
9789394421066
Mathematical puzzles
Mathematics- Education
M510.7 / SUD/G