J. Hellgren

Asymmetric expression of a poplar ACC oxidase controls ethylene production during gravitational induction of tension wood.

S. Regan, B. Sundberg, T. Moritz, 2003, The Plant journal : for cell and molecular biology.

Patterns of Auxin Distribution during Gravitational Induction of Reaction Wood in Poplar and Pine1

B. Sundberg, J. Hellgren, K. Olofsson, 2004, Plant Physiology.

Ethylene and Auxin in the Control of Wood Formation

J. Hellgren, 2003 .

Stimulating positive emotional experiences in mathematics learning: influence of situational and personal factors

Torulf Palm, J. Hellgren, T. M. Winberg, 2014, European Journal of Psychology of Education.

Stimulating positive emotional experiences in mathematics learning: influence of situational and personal factors

Torulf Palm, J. Hellgren, T. M. Winberg, 2014 .

Cases on Professional Distance Education Degree Programs and Practices: Successes, Challenges, and Issues

Kirk P. H. Sullivan, Peter E. Czigler, Jenny M Hellgren, 2013 .

Students as Scientists A study of motivation in the science classroom

J. Hellgren, 2016 .