February 20th, 2020

Sada Isa Umar added Lesson

to Nigeria Open Schooling - on Feb 20, 04:34am

Abubakar Salihu Dugu added soil

to Nigeria Open Schooling - on Feb 20, 04:18am

Abubakar Salihu Dugu added pollution

to Nigeria Open Schooling - on Feb 20, 03:59am

Abubakar Salihu Dugu added Lesson

to Nigeria Open Schooling - on Feb 20, 03:59am

Ahmed Musa Madaki added Lesson

to Nigeria Open Schooling - on Feb 20, 03:59am

Dr. Kabir Hamisu Kura added Lesson

to Nigeria Open Schooling - on Feb 20, 03:56am

NAJMUDDDEEN ALHASSAN added Lesson

to Nigeria Open Schooling - on Feb 20, 03:44am

Adamu Isah added Lesson

to Nigeria Open Schooling - on Feb 20, 03:44am

NAJMUDDDEEN ALHASSAN added Lesson

to Nigeria Open Schooling - on Feb 20, 03:42am

NAJMUDDDEEN ALHASSAN added Lesson

to Nigeria Open Schooling - on Feb 20, 03:42am

NAJMUDDDEEN ALHASSAN added Lesson

to Nigeria Open Schooling - on Feb 20, 03:40am

Dr. Kabir Hamisu Kura added Lesson

to Nigeria Open Schooling - on Feb 20, 03:40am

Adamu Isah added Lesson

to Nigeria Open Schooling - on Feb 20, 03:40am

Muhammad Bello Aliyu added Lesson

to Nigeria Open Schooling - on Feb 20, 02:38am

Muhammad Bello Aliyu added Lesson

to Nigeria Open Schooling - on Feb 20, 02:38am

Umar Ibrahim added Lesson

to Nigeria Open Schooling - on Feb 20, 02:06am

NAJMUDDDEEN ALHASSAN added 1.1.1 Introduction to mineral resources

to Nigeria Open Schooling - on Feb 20, 12:31am
February 19th, 2020

Musa Ibrahim Aboki added Lesson

to Nigeria Open Schooling - on Feb 19, 02:41pm