The phrase "and proposes a combination" is correct and usable in written English.
You can use it when discussing suggestions or recommendations that involve merging different elements or ideas.
Example: "The report analyzes the current market trends and proposes a combination of strategies to enhance sales."
Alternatives: "and suggests a blend" or "and recommends a mixture".
Daganzo [15] investigated the structural effect of transit system on accessibility and proposed a combination of grid and hub-and-spoke network structure to improve the overall competitiveness of transit system over driving.
EUROBIS, similar to the Epode-like program in the Netherlands (JOGG) (http://www.epode-international-network.com/programmes/jogg), has added a fifth pillar to the ones of EPODE methodology, "linking prevention and healthcare," and proposes a structured combination of preventive and curative actions.
The paper of Huang, Lv, Zhang, Yang, Zheng, and Wen [33] proposes a combination of three strongly correlated social network analysis (SNA) metrics (degree, ego-betweenness centrality, and eigenvector centrality) to evaluate only those top-ranked nodes (core nodes and bridge nodes) in undirected binary networks.
It proposes a combination, or rather an interpretation, of gene phylogenies with cladistics, transition analysis, congruence testing and critical palaeontology.
The present study investigates the application of periodic type diffusers for improving the acoustics in classrooms and proposes an optimum combination of absorptive and diffusing treatments for achieving preferred acoustics in classrooms.
In 1946 Francis Harper pointed out that Bartram's name was valid and proposed a new combination, Roystonea elata.
The goal of this proof of concept paper is to raise awareness on the traditionally overlooked threat of radio jamming and to propose a combination of potential research directions and LTE RAN enhancements against sophisticated jamming attacks.
The approach is based on the use of an artificial neural network and we propose a combination of network architecture, training algorithm, and special procedures for scaling and initializing the weight coefficients.
In [15], Singh and Nevatia propose a combination of Dynamic Bayesian Action Networks (DBAN) with intermediate 2D body parts models for both pose estimation and action recognition tasks.
To address this problem Van der Vleuten and Schuwirth proposed a combination of scaffolding of self-directed learning with social interaction, leading to the peer group meetings in the programme [ 13].
